What are the characteristics of a semi-periphery country?

They are mostly the countries that get a lot of trade imported and exports their owns, like India.

Explanation:

Semi-peripheral countries contribute to the manufacturing and exportation of a variety of goods. They are marked by above average land mass, as exemplified by Argentina, China, India, Brazil, Mexico, Indonesia, and Iran. More land mass typically means an increased market size and share.

this is a good question! i'll do some research and come back when i have the answer!