China: Random sample of major cities and county-level cities; US: National random sample drawn from KN’s Knowledge Panel
Random assignment: The value of X was assigned randomly across respondents to be equal to 800, 2,000, or 4,000 yuan per month in China and 18,000, 40,000, or 80,000 dollars per year in the United States. These values were chosen so that respondents were considering trade protection for low-, average-, and high-wage industries.
A question about limiting the import of foreign products in several industries (asked to consider trade protection for industries with different wage levels)
China: In person; US: Internet
Likelihood of giving a protectionist response