This paper shows that taxes affect the international location decisions of the best “superstar” inventors. Higher tax rates lead to a significantly lower share of superstar inventors remaining in their home country and a lower share of foreign superstar inventors who move to the country. This may have significant fiscal and innovation costs for a country that should be taken into account when setting tax policy.
Big-box retail stores arriving from foreign countries have transformed the way Mexican households shop for goods, sparking a “supermarket revolution”. Traditionally, consumers in developing countries have shopped at street markets and small, independent stores. However, consumers have switched to shopping at foreign retailers, who offer a larger variety of products at cheaper prices. Despite concerns that foreign retailers might adversely affect local employment and household incomes, our evidence shows that allowing them to operate their businesses in Mexico has generated substantial welfare gains for households across the income spectrum by lowering the cost of living, while having limited impacts on total employment, incomes, and local businesses closing.