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AbstractThis paper analyses international patterns of bilateral portfolio equity and debt investment in a gravity model framework. We contribute to the literature by exploring the role of virtual proximity -measured by bilateral internet hyperlinks between countries -as a novel proxy for cross-border information flows and cultural proximity more generally. Our findings show that bilateral portfolio investment is significantly affected by virtual proximity, indicating that countries which are more closely connected in terms of web content are more integrated financially. The effect is stronger for equity than for debt investment, highlighting the larger information sensitivity of equity investments, and is largest for investments among advanced economies. Moreover, including virtual proximity in estimations reduces the importance of traditionally-used proxies for information asymmetries and cultural proximity.
Non-technical summaryResearch on bilateral investment patterns has grown considerably over the past decade and shows -both empirically and theoretically -that distance and proxies for informational asymmetries between countries, such as common language, colonial ties and currency unions, are crucial in explaining bilateral asset holdings and flows. Thus, asset trade can be estimated by gravity models, implying a proximity bias in international investments due to information asymmetries that are increasing in distance.We contribute to this literature by exploring the role of virtual proximity -measured by bilateral hyperlinks between countries. The idea is to reflect, for instance, how often British orFrench internet users set links to websites from the United States. In case this indicator is, ceteris paribus, higher for the United Kingdom than for France, we interpret this as British citizens being virtually closer to the United States than the French. The underlying assumption is that virtual proximity of two countries increases with the interest shown in each others' web content.Our virtual proximity measure thus captures global interconnectedness and information flows.As such, virtual proximity is a good measure for the potential information set of international investors. Virtual connectedness should reduce uncertainty about the expected pay-offs of international investment decisions and thus foster international financial integration. In addition, in light of the pivotal role of the internet, web-based measures of r...