Business-to-administration (B2A) refers to transactions conducted online between companies and public administration or government bodies. Many branches of government are dependent on e-services or products in one way or another, especially when it comes to legal documents, registers, social security, fiscals and employment. Businesses can supply these electronically. B2A services have grown considerably in recent years as investments have been made in e-government capabilities.
E-commerce technologies cut transaction costs by allowing both manufactures and consumers to skip through the intermediaries. This is achieved through by extending the search area best price deals and by group purchase. The success of e-commerce in urban and regional levels depend on how the local firms and consumers have adopted to e-commerce. 
Ecommerce, also known as electronic commerce or internet commerce, refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions. Ecommerce is often used to refer to the sale of physical products online, but it can also describe any kind of commercial transaction that is facilitated through the internet.
These are your typical online retailers. They can include apparel stores, homeware businesses, and gift shops, just to name a few. Stores that sell physical goods showcase the items online and enable shoppers to add the things they like in their virtual shopping carts. Once the transaction is complete, the store typically ships the orders to the shopper, though a growing number of retailers are implementing initiatives such as in-store pickup.
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At Digital River, we believe in true accountability. Everything about our advanced cloud solution is designed for risk-free global commerce. Our proven expertise with tech-centric brands means you have a proactive partner who is always focused on your success. We power and personalize your shopping experiences, process and fulfill orders, and localize your online business everywhere. To protect your brand, we take on risk. We combat fraud, and simplify billing, taxes and compliance. Accountability means we bring you leading tools for digital disruption. With the latest revenue models, we help you grow and meet shifts in buyer preference. Built for B2C and B2B, our commerce cloud supports everything from subscriptions, and accounts and entitlements, to micro-transactions, emerging payments and the Internet of Selling your Things. In short, we’re all-in, fully committed and responsible for each facet of your ecommerce business. We are trusted advocates who help build your brand, amplify your ROI and expand your global opportunity. Digital River is Commerce with Accountability. www.digitalriver.com