ADRs bring the advantages of liquidity, transparency, and ease of trade of the US markets to emerging markets. As investors (both foreign and local) choose ADRs, local exchanges, brokers, and regulatory authorities come under pressure to modernize operations, enhance disclosure standards, and strengthen enforcement in order to make the local market more liquid, transparent, and efficient.
Through these activities, the local market becomes more developed. We would then expect that, in addition to increased participation by local companies and investors, the more sophisticated US investors would increasingly buy and sell in the home markets of foreign shares rather than through ADRs. Thus, many foreign companies would use the US markets as a temporary mechanism to access US funds and gain international investor credibility and visibility. The development of the ADR market would then result in the further development of the local market, as more local investors and companies enter this more efficient market.