In a december 2007 new york times column, paul krugman noted that it is difficult to find instances of trade between high-wage countries and low-wage countries in the modern era.
Option C
Explanation:
Paul Robin Krugman is a US economist, a respected economics professor at New York City College Graduate School, a columnist of The New York Times.
Krugman also earned the Economics Nobel Prize for his contribution to a new theory of security and economic geography in 2008. In an overview of the implications of the economy of scale and market demand for various products and services, he has cited research by the Krugman Committee describing the dynamics of global trade and geographic distribution of economic growth.
In a new column for New York Times during December 2007, Paul Krugman observed that the US now imported more developed items out of the 3rd world that of other developed countries.