How the market design explains things today (the events today) by an economist engineer?

Answer

An economist engineer suggest that the 21st century has seen rise in number of online market and platforms that offer competition to the traditional ways of trade

Explanation

Let's take a look at eBay, Airbnb and Uber which are all marketing platforms where customers can acquire services and goods with just click of the phone button. Goods and services are currently offered for users provided they have access to internet connection with a good gadget. Economist engineers explain the need to understand the manner these markets are designed with more concern on mathematical models and techniques.