Investment in a Smaller World: The Implications of Air Travel for Investors and Firms
研究发现航空旅行能减少投资者的本地偏好，扩大公司投资者基础，并降低约1%的股权成本，对投资者和公司均有积极影响。
A large literature reports that proximity influences investment. We extend the measurement of proximity beyond distance and report that air travel reduces local investment bias. This result is confirmed using the initiation of connecting flights through recently opened air hubs because investment at destinations served by these connecting flights increases after, not before, their initiation. Air travel also broadens the investor base of firms and lowers their cost of equity by approximately 1%. Overall, air travel improves the diversification of investor portfolios and lowers the cost of equity for firms. This paper was accepted by Tyler Shumway, finance.