Pci low cost converter jobs
I am a marketer and have recently begun addressing the SEO issues with my company's site. I have cleared around 75% of the issues myself, but I need some extra help to finish the job. The site is already performing well, but now is a good time for us to get it as close to perfect as possible. The tasks would involve: Important: - Rectify 4XX Status Codes (3) - Rectify Low Text-HTML Ratios (31) - Identify and Rectify a URL With Temporary Redirect (1) - Rectify Issue with Unminified JavaScript and CSS Files (1) - Rectify 'Your database prefix is set to the default 'wp_'. - Remove The DISALLOW_FILE_EDIT constant is defined and set to false from our - Configure site for HSTS preload list - Rectify the X-XSS protection security header's non-recommended value: &...
Application should optimize cost of transportation for the company employees. Based on demand for a specific date which departments of company are working, it should provide the list of people who are most cost-effective to transport to destination. There are predefined bus routes with addresses of employees. Based on this information application should provide list of names, which employees should be working on that day and provide, which lanes should be active, keeping in mind the cost effectiveness. Cost-effectiveness can be calculated based on mileage on the route and the number of routes (buses). At the moment all that is present in excel, but it can be modified and delivered in whatever format it is needed.
I'm looking for an experienced editor who can provide a comprehensive upgrade to my YouTube video and make it more engaging and entertaining. The project involves the addition and correction of captions/subtitles, an enhancement of audio quality, and the incorporation of special effects. I also need assistance in replacing some images/videos to suit the voiceover better. MUST BE FAMILIAR WI...these results. I have a YT short example for the channel which I will provide when the work is assigned. There is a potential for future projects (at the right price) if the work is good. Just to be clear... I need YOU to do the revisions and edits. I created the original voiceover, so any edits in this area I can provide to you. I am looking for a one week turnaround time at the lowest possib...
As the owner of a currently low-traffic website, I'm in urgent need of a skilled freelancer who can drive up the number of visits. The website's main purpose is to generate web traffic and its target audience is the general public. Ideal skills for this job: - Proven experience in SEO - Understanding of traffic analytics - Strategic content marketing abilities I'm looking for high-quality, budget-friendly services to boost visibility and user engagement on the site. I’m expecting viable strategies and methods for long-term, sustainable growth in web traffic.
I am in need of an experienced off-page SEO specialist to boost my site's ranking and visibility. The successful contractor will be tasked with conducting a range of off-page SEO strategies each month. If you think you're suitable for this position, pl...strategies - Proven track record in growing site visibility and rankings - Ability to professionally and succinctly outline strategies and expected results in a monthly proposal, including detailed backlink strategy Please note that I'll only be in the position to discuss further with those who provide me with a comprehensive rundown of the services they'd provide each month, and their associated cost up to $100. Hence, give a detailed description of your proposal. Let's see if we're a perfect fit. ...
I'm seeking an experienced Testing and Commissioning Engineer with expertise in ELV (Extra Low Voltage) and BMS (Building Management Systems), specifically in the security and surveillance control system. Key Responsibilities: - Conduct systematic integration testing for my project - Perform fault diagnosis and debugging Timeline: Job needs to be completed within a 2-4 week time frame. Required Skills: - Extensive knowledge of Honeywell / Schneider systems - Demonstrable experience in system integration testing and debugging - Proven ability in fault diagnosis. - Exceptional documentation and reporting skills Please submit your previous work samples along with your application. Proven experience in similar projects is a must.
...deck, the depth of low points, the height at all points around the perimeter where there is a change in direction or height, the paver size and thickness, then the finished result is a diagram which shows how the pavers will be laid over the area, and how many of each size pedestal is needed for the specific project. The software has to cope with different paver sizes, thicknesses and variable space between each paver. Also it has to cope with different models of pedestals which have different height ranges. So the program is essentially making estimates in 3D, because it must also be able to cope with the normal situation where the ground on which the pedestals are laid is sloping in one or more directions or it may have a drain hole in one or more places which will be a l...
Designer wanted! Hoikes, With the elections coming up and all the flaws that the government has committed in recent years (say decades), I would like to make fun of the politicians/politicians. Meant to print the designs on...not smart enough for that. I wanted to make stickman like cartoons, so that's a surplus if you can make these like that. I myself am not well versed in the laws surrounding the use of public figures in prints, so heads may always be "tarnished," but still recognizable. I've included some examples of fun drawings, it would be cool if you could remake these in a different style. Budget: Pretty low. I prefer to pay a fixed amount for a design. This was my short introduction, if there are any further questions, shoot!!! Translated...
...integrity and availability of website content. 10. **Responsive Design with Dark Theme:** - A mobile-responsive design will ensure optimal viewing and usability across devices of varying screen sizes and resolutions, providing a consistent and seamless user experience. - The inclusion of a dark theme option will cater to users' preferences for reduced eye strain and improved readability in low-light environments, enhancing user comfort and satisfaction. **Technology Stack:** - Backend: WordPress with multisite feature - Frontend: Vue.js - Database: MySQL (integrated with WordPress) - Server: Amazon Web Services (AWS) with Auto Scaling - API Integration: RESTful APIs from and , fancode **Development Timeline:** 1. **Planning and Design Phase:** 2 weeks 2. **Backen...
I'm looking for an experienced Shopify developer who can create an e-commerce store from scratch. I'm planning to sell a diverse range of more than 150 physical goods on this site. The ideal freelancer for this project should have a strong ...synchronise with & and Facebook marketplace. As this is a new venture - I need you to include the website hosting, email address, logo design, shopify subscription - advise on visa / master card integration. The shopify site needs to have paypal as a guest option, paypal,, amazon pay and apple pay options. Please give me an idea of the cost to set up, hosting cost, monthly ongoing costs ie shopify store cost, credit card / debit card fees and please also send me some examples of your work. I am happy to proceed...
I am looking for someone who knows how works and can help me build same. I am aware of Whisper APIs but it has a minimum of 3.3 seconds lag even after using the best server A100. I want something quicker with low latency.
...software simultaneously? 1-10 Which software interaction mode do you prefer? Desktop application REPORTS REQUIRED 1) Wage Sheet Calculation worker wise department wise daily 2) Perfume Stock – diluted and concentrate separately 3) Dipped Batti Stock perfume wise along with cost must be visible at any given point of time 4) Pouched batti Stock along with cost must be visible at any given point of time 5) GST Report – Refund Application Made, Refund Application Pending and Blocked GST 6) Final Cost per SKU with breakup variable cost and fixed costs per unit. 7) Month Wise Production and Sales Report of each SKU 8) Worker wise – SKU wise – performance, which worker is better suited to which SKU 9) Estimated count report of batti per kg...
I need some work in C sharp, Asp.net I need work from Pakistani Freelancer I need work for long term I need work at low budget
I am looking for an experienced CAD designer to create a basic, low-poly 3D model of a 2-oz plastic cup and lid. The primary use of this design will be for prototyping. Details: - The model should be simple and contain no textures. I am interested in the basic shape alone and precision is key. - The final design needs to be compatible with AutoCAD software. Ideal Skills and Experience: - Proven CAD designing experience, preferably in AutoCAD software. - A strong portfolio showcasing their expertise in creating low-poly models. - Prior experience in product prototyping will be a plus. - Excellent attention to detail. Please include a brief description of your experience with similar projects in your bid. Thank you.
...generation adequacy. #### 2.5 Challenges and Opportunities in Renewable Energy Transition - **2.5.1 Technical and Operational Challenges**: Discuss the challenges related to variability, storage, and integration of renewable energy into the national grid. - **2.5.2 Economic and Policy Considerations**: Analyze the economic implications of renewable energy projects, including investment needs, cost-effectiveness, and policy support. - **2.5.3 Opportunities for Sustainable Energy Development**: Identify opportunities for innovation, technological advancements, and economic benefits associated with renewable energy expansion. #### 2.6 Summary and Research Gaps - Provide a summary of the key findings from the literature review, highlighting the contributions of previous studies t...
I am in need of a talented voice-over professional to re-record the voice in my English TV commercial in Azerbaijani. Key details include: - Commercial Length: Less than 30 seconds. You'll receive all the necessary materials and context to perform your task effectively. - Language and St...Preference: The voice-over artist needs to be female. Your pitch, tone, and expressiveness should match the original voice tone in the English version. Ideal Candidate: You should possess solid experience in voice-overs, ideally in the Azerbaijani language and must be competent in maintaining the flow, tone and nuances of the original English commercial. Send your voice samples along with your bid. Your cost should include the recording fee and any revisions as well. I look forward to heari...
I am looking to develop a new sourcing strategy, primarily with the objective to enhance competition and better manage costs. The goal is not only to reduce expenses but also to improve the quality of the goods/services we acquire. While our supplier is known, we aim to use direct a...goal is not only to reduce expenses but also to improve the quality of the goods/services we acquire. While our supplier is known, we aim to use direct award route under framework agreement. Hence, we are seeking an expert who can help with developing full sourcing strategies with market analysis. Ideal Skills & Experience: - Experience in supplier sourcing strategy development - Proven record in cost savings and quality improvement of goods/services - Expertise in supplier evaluation beyond bl...
Based in the plans provided and the photos create a Archicad model aquerated. Total cost 500 USD Delivery 29/03/2024
...able. Have the keycloak URL for master Have created a realm Have created a user in the realm Still not able to login there There is hope you can give your “best” price; unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle for this (doing hourly reduces % fee). Will leave a Glowing paragraph of feedback 5 stars : - ) My funds are low but will pay quick and leave 5 stars. Please give your best possible for your bid ? (something reasonable?) Please note there is hope we can mutually complete this task; we can leave each other nice comments and 5 stars for each? Look at feedback on my profile, feedback I left for many others. Here is the project: SINCERELY WOULD BE NICE TO MEET YOU PLEASE ANY THOUGH...
...Blender experience, to help transform my medium-sized Roblox map. This project entails: - Remodelling of an engaging and fun terrain including bespoke elements - Map reconfiguration (reducing size of map, deleting redundant buildings) - Understanding of game dynamic is important as there are some areas with linked script that will need caution – I will advise this on award of project - Terrain: Low poly fantasy, with a generous dash of creativity. - Style: Vibrant, eye-catching colours and characteristic cartoony feel without losing artistic detail. - Buildings: Redesign for shop area to be provided as a separate file, for inclusion later Your work should inject new life into the virtual environment, making it more captivating for players. As the ideal candidate, you are...
...able. Have the keycloak URL for master Have created a realm Have created a user in the realm Still not able to login there There is hope you can give your “best” price; unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle for this (doing hourly reduces % fee). Will leave a Glowing paragraph of feedback 5 stars : - ) My funds are low but will pay quick and leave 5 stars. Please give your best possible for your bid ? (something reasonable?) Please note there is hope we can mutually complete this task; we can leave each other nice comments and 5 stars for each? Look at feedback on my profile, feedback I left for many others. Here is the project: SINCERELY WOULD BE NICE TO MEET YOU PLEASE ANY THOUGH...
...Ads manager who can competently handle both sponsored product ads and headline search ads. - Platform: This campaign will be managed primarily on the Amazon Seller Central platform, thus familiarity and fluency with this tool are essential. - Goals: The main focus of the campaign is to substantially boost sales. Your strategy should be tailored towards aggressive sales growth while maintaining cost-effectiveness. - Skills Needed: The ideal freelancer should possess a strong background in Amazon Ads management, specifically with running effective campaigns on the Amazon Seller Central platform. You should also be proficient in both sponsored product and headline search ads. - Experience: Past work demonstrating successful sales boosting campaigns is required. Proven track record...
I'm seeking a mo...Expertise in designing intuitive ordering systems is required. - Tracking and delivery updates: We want to ensure users can easily track their LPG cylinders with real-time updates. Experience in implementing real-time GPS tracking systems is preferred. - Inventory Management: The app needs real-time inventory updates, easy search and filtering options for products and automated notifications for low stock. Proven experience in integrating these elements into an app interface is essential. For this project, having a proficient understanding of the end-to-end user journey, from registration to order delivery, is crucial. Applicants should have a strong track record in UX design, particularly for on-demand delivery apps. Ability to work using agile methodolo...
...their new rank, also want the points multiplier to increase by one each time the player ranks up, starting at x1 for rank 1 and reaching x100 for rank 100. and also want a command called .rank which tells them about what rank they are, its very detailed and most likely hard to code and doubt anyone is gonna do it for free for some random person so was gonna say i'll pay if need to depending on the cost of it all as idk xD This is run through my T6ZM (Black Ops 2 Zombies) Server on the Plutonium Application, other servers have accomplished this but i don't know where to start Ideal Skills: - Strong experience in .gsc and .js coding. - Comprehensive understanding of T6ZM server operations and Node Server Manager. - Skills in developing ranking systems that are run throu...
...carbon capture infrastructure on a global scale. While I am interested in all countries,. I need comprehensive knowledge breakdown in this research, and I'm especially interested in the following aspects: - Technology: What types of technology are being used? How advanced or efficient are they? - Policy and regulations: What sort of policies or regulations govern its use or implementation? - Cost and economic analysis: How economically viable is the technology? What sort of costs are involved? The ideal freelancer for this job would have considerable experience in environmental science or a related field. Knowledge in carbon capture technologies and global environmental policies will certainly be advantageous. Though you might have missed answering some aspects when ap...
...also sign, put in their firm details and date the guarantees with the date the advice was given. They can then send the original wet ink signed guarantees directly to us." This is urgent, so I need the project completed ASAP. Ideal freelancers will have experience in real estate law, particularly regarding mortgages, as well as a prompt and detailed approach to their work. We need this to be as cost effective as possible. Thanks, Philip Payne...
background processing functionality for mapping process (transcription, mapping on server and store in DB corresponding to the user who submitted the request; work one whole book transcription process bcz if we get whole audio book's transcription and get each segement's text so it will be easy for the system to find the result and send to the client side All these process will...(transcription, mapping on server and store in DB corresponding to the user who submitted the request; work one whole book transcription process bcz if we get whole audio book's transcription and get each segement's text so it will be easy for the system to find the result and send to the client side All these process will be in Queue to efficiently use system resources and no process will be k...
I'm in need of an expert Flutter developer who is well-versed in Bluetooth technology. My project entails three major functionalities: - Connect to gadgets: Particularly, connecting with a gas chromatograph using both: [LE]: Low Energy (LE) Bluetooth connection [BR/EDR]: Basic Rate/Enhanced Data Rate. - Data interchange: This includes sending and receiving data to and from this scientific instrument - Device monitoring: The prospective developer should be adept in keeping tabs on the status of the gas chromatograph Ideal Skills/Experience Required: - Proficient Flutter Development skills - Extensive experience in integrating Bluetooth in applications - Familiarity or past experience with gas chromatographs would be a plus - Ability to troubleshoot and monitor Bluetoo...
Being developed for Windows, I need a reliable application that can efficiently convert Lotus Notes files into PDF, with an added batch conversion function to expedite the process. A major requirement is that the software support different versions of Lotus Notes. Required skills and experience: - Profound knowledge of Windows OS - Experience in designing conversion tools - Familiarity with Lotus Notes and its various versions.
...for storing files and user information, authentication, payment systems (Stripe, PayPal, etc.), email notifications, and logging. - Integration with web functionality and deployment of open-source libraries. - The site should be well-indexed by search engines and meet other standard SEO optimization requirements. - We accept the use of ready-made templates, modules, and plugins, as well as No/Low-code platforms (for example, , ) to reduce workload and speed up production. Future Plans: After the successful completion of the basic version of the project, we plan to continue collaborating to expand functionality (for example: ) and improve the user experience. If you are interested, please provide your proposal regarding possible
Im building three custom product options in a WooCommerce environment. These 4 options are sort of upsell products. Every option has a additional price (first option is free). Once a user select a certain option the additional cost is being added to the entire cart. With that i mean, every product that is in the cart (also quantity based) wil have the additional cost added. I already almost build this function in jQuery. However, The newly populated prices are not being post/used in the actual WooCommerce Cart totals. Im looking for a skilled WooCommerce/Javascript/PHP developer who can finish my script. So that the jquery populated price values are actually being used in the WC Cart totals. ***** IMPORTANT. This project needs to be finished tomorrow.
Project Proposal: Unveil - A Unique Dating Experience Introduction: In the dynamic landscape of online dating, innovation is key to capturing users' attention and providing a memorable experience. With this in mind, we propose the development of "Unveil," a revolutionary dating app that combines the familiar swiping mechanism of Tinder with a captivating twist: users cannot see e...personality and interaction. Through meticulous planning, development, and iteration, we are confident that Unveil will emerge as a frontrunner in the online dating market, delivering value to users and driving business success. Please let us know if you would like to proceed with the development of Unveil, and we will be happy to discuss further details and provide a detailed project timeline ...
I'm in need of a software developer experienced in creating robust web-based applications and well-versed in GST norms of taxation. The project aims to create a billing software that accommodates GST return and accounting aspects with the following features: - Automatic GST Calculation: The software should be capable of automatically calculating GST b...designed to handle up to 5 simultaneous users. Being web-based, the software should retain its functionality and speed regardless of the number of users. Demonstrable experience in building similar software platforms and a good understanding of taxation norms are a must. If you have done similar work before, please share details to help in my decision-making process. Please bid with not only your cost but also the timeline fo...
I'm in need of an experienced graphic designer to bring some refreshing energy to the brand with a logo. While I don't have a particular style in mind, you are free to showcase your skills and creativity. Key responsibilities: - Develop a logo design using a triadic color scheme - Bring innovative and creative ideas...the project - Execute the design in a timely manner Ideal skills and experience: - Proficiency in Adobe Illustrator or similar design software - Strong past experience in graphic design, specifically logo creation - Ability to interpret brand style and create a visually appealing logo. In your application, please highlight your experience in similar projects. Time frame for completion and cost estimates are also appreciated. Looking forward to your...
I need assistance with designing packaging for a small shipping box (less than 12 inches). This project will require creating an engaging and cost-effective design that can be printed on boxes. It's important for the design to be visually captivating, and align with the identity of our brand. (((( the design idea is already available, just need it to be implemented )))) Ideal candidate should have: - Extensive experience in packaging design - Creativity and originality in their design approach - Attention to detail and ability to adhere to brand guidelines - Understanding of printing costs and ability to design cost-effectively - Ability to work with tight deadlines. Let's encapsulate the essence of our brand in a box!
...Monitor campaign performance closely, analyze key metrics, and make data-driven adjustments to optimize ad performance. A/B Testing: Conduct rigorous A/B testing of ad elements (such as headlines, images, and targeting parameters) to identify what resonates best with our audience. Campaign Optimization: Continuously optimize campaigns to improve performance, increase click-through rates, and lower cost per acquisition. Reporting: Provide regular reports and insights on campaign performance, including key metrics, trends, and recommendations for improvement. Requirements: Proven experience managing Facebook advertising campaigns, preferably for e-commerce businesses. In-depth knowledge of Facebook Ads Manager, including audience targeting, campaign optimization, and performa...
>>>> If you want to win this project, write, "I can help you tackle challenges in Javascript via Teamviewer for one hour at the cost of ___" at the start of your bid. I am in urgent need of a Javascript expert who is tech-adventurous and loves tackling challenges head-on to assist me in an online conference. List of tasks: - Debug any potential issues in my existing code - Provide insights in adding new functionalities and features - Optimize the performance to ensure smooth and seamless operations Conference details: - We will be attending via a secure remote connection tool - Teamviewer. - The main objective of this conference is networking. Your solid skills in Javascript could be the key to leave a lasting impression Skills and Experience needed: - A...
>>>> If you want to win this project, write, "I can help you tackle challenges in Javascript via Teamviewer for one hour at the cost of $___" at the start of your bid. I am in urgent need of a Javascript expert who is tech-adventurous and loves tackling challenges head-on to assist me in an online conference. List of tasks: - Debug any potential issues in my existing code - Provide insights in adding new functionalities and features - Optimize the performance to ensure smooth and seamless operations Conference details: - We will be attending via a secure remote connection tool - Teamviewer. - The main objective of this conference is networking. Your solid skills in Javascript could be the key to leave a lasting impression Skills and Experience needed: - ...
...rlkey=ez3vbmyikpgd3xk2980gc7xj3&dl=0 Main banner Dimensions:650 x 467 Homepage content (in progress) - Attached I want the page to have latest UI look so when user scrolls down, different sections appear with elements look like they are moving. Here are examples of some assets that we have: 3D Renderings: Example of low end motion graphics that show projection: Examples of a couple of videos we have: Here's actual projections of client logos:
I'm seeking a professional who can construct a classic-style cover for my large outdoor kitchen, measuring over 200+ sq ft. The cover should match the style of my existing roof. Key project requirements include: - Demonstrable experience in constructing similar kitchen covers - Deep understanding of materials and styles able to withstand outdoor conditions, specifically those t...to withstand outdoor conditions, specifically those that match existing roofs - Ability to work within a specified timeline and commitment to meet the project deadline - Expertise in Classic style designs Please include examples of similar jobs you have completed in your bid. Your pitch should include a short description of how you plan to match the existing roof, and an estimate of the time and cost...
...individual Blog Posts too. The end result for me is to delete all Divi from my Wordpress and Only have OptimizePress. To make this cost effective I am thinking we work on this daily to weekly per hour maybe until is all moved. and or we can do an everything count of what I want moved and then set a total cost. If we set a total cost, we will do so in milestones so I can afford the total within a timeline; I do not want to do it all at once but I do want to start and fund the project as milestones are completed. If we do an hourly project, I would say a daily to weekly milestone goal which I am to pay weekly not daily as milestones are completed. Please suggest your cost on hourly versus one time. either will require an upfront deposit and broken into p...
As a growing construction digital marketing agency in Australia, I'm in need of a professional with profound knowledge and experience in Google Ads specifically tailored towards the construction industry. Key Deliverables: - Create and manage a pay-per-click Google A...results-driven. - Excellent copywriting skills. - Familiarity with the Australian market. I need you to report to me every 2 days on what you are doing to run our campaigns. You will need to communicate with us during the onboarding of the campaign so that we know you are setting up sll of the correct parameters. We are after exact keyword match. We also need to analytics set up. We need to know the cost per click for each keyword and if the keywords you have chosen are industry relevant.
This log is for a consumer product which provides balance to the inner ear. The logo is to be minimalist with no text, no fine lines, no shading and no dependence on colors. The logo must be printable on monochrome devices and displayable on low resolution displays. This means simple. The logo design must start with a simple Yin/Yang symbol. The inner dots may be used or removed, or a single dot used. The right side of the Yang symbol is to be stylized and an implied, stylized impressionistic symbol of the shape of the outer ear helix. If kept very simple and stylized the crus may be incorporated. The enclosed AI generated logo is too complex yet contained something generally in the concept. Please do not submit AI generated designs, we have seen hundreds of them and they will b...
...for artistic events. Your role? To bring Affordable Art Fair alive with your superior 3D modeling skills and creative signage. The freelancer would need to mock up what our cafe and bar areas would look like then help to place signage Here’s what I’m looking for: - Expertise: You should be adept at SketchUp with low poly and graphic design. Prior experience in working on artistic events will be a definite plus. - Eye for Detail: While the models we're creating are low poly, it doesn't mean we're not detail-oriented. I expect precision in the execution of models to achieve an appealing result. - Location: This gig is exclusively for those based in Melbourne so you can do face to face meeting with marketing team but happy for you to WFH....
I am looking for people to help me create digital teaching materials for teachers. You need to design and upload them independently. You need to create as many as possible, 10-20 per hour would be good. You get the texts from chatgpt or wikipedia. I offer 0.5$ - 1$ per hour as payment. The payment is so low because you don't need any qualifications or expertise for this job. I will explain everything to you. You only need to be able to speak mediocre English. I am attaching a few sample worksheets so you can see what quality you need to produce. (Communication over discord)
... The ideal candidate for this project would have extensive experience in writing engaging case studies for technology products and services. Key Project Aspects: - This case study will be targeted towards insurance and mortgage brokers. Knowledge and understanding of these industries is critical for this project. - The case study needs to highlight how our SaaS product excels in ease of use, cost-effectiveness, time-saving features, and functioning as a client engagement app. Skills and Experience: - Proven track record in creating successful case studies - understanding of the SaaS market - Insight into the insurance and mortgage brokerage sectors - Excellent writing and communication skills. For any freelancer looking to transform the draft content into a compelling case ...
I'm looking for an expert in business economics to assist in unearthing the depths of Neoclassical and Marxian economics with a specific focus on the marginal utility theory. Your task will involve 2500 written essay and detailed analysis on: - Demand and supply - Cost analysis - Market structure within the framework also who has knowledge about the history of economic thought concerning these fields. Ideal candidates should have: - Extensive knowledge and experience in Business Economics - Strong understating of Neoclassical and Marxian economics - Capability to explain complex economic theories in simple terms.
