Which e-commerce model involves government transactions with businesses or consumers?

The e-commerce model that involves government transactions with businesses or consumers is known as Government-to-Business (G2B) or Government-to-Consumer (G2C).

Here are the steps to understand this:

1. E-commerce models: There are several types of e-commerce models including Business-to-Business (B2B), Business-to-Consumer (B2C), Consumer-to-Consumer (C2C), and Government-to-Business (G2B) or Government-to-Consumer (G2C).

2. Government-to-Business (G2B): This model is where the government provides services to businesses via the internet. It includes many types of services, such as business registrations, renewals, and permits.

3. Government-to-Consumer (G2C): This model is where the government provides services directly to consumers. Examples include paying taxes, renewing licenses, and applying for government services.

So, in the context of your question, the e-commerce model that involves government transactions with businesses or consumers is either G2B or G2C.