On the determinants of foreign ownership shares: Evidence from US firms' joint ventures in Japan

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Abstract
It is often argued that firms' foreign expansion is motivated by economies of scale in information‐based intangible assets. Since these assets are combined with local factors in real production, their owner often has to deal with local factor owners' opportunistic behavior such as siphoning of skills which reduces the return on intangibles to the original owner. Local factor owners' agency behavior can also reduce a subsidiary's profit. Maintaining ownership mitigates the former type of opportunistic behavior, while ceding ownership reduces the latter type. Hence there is a non‐linear relationship between ownership and the cost of control. In this paper we present a model that incorporates these aspects of a joint venture ownership. In our model the share in a joint venture of a foreign parent firm with a superior technology is determined such that its marginal cost of control is set equal to the marginal benefit it derives from a joint venture. We assume that, because of the uniqueness and mobility of its intangible factor, the foreign partner has more bargaining power than its local counterpart regarding the ownership of their joint venture and that the local partner is less concerned than its foreign counterpart about the problems of agency and property rights protection because of its geographic and cultural proximity to the joint venture. As a consequence, the foreign partner is able to exert its preference for its ownership share in the joint venture. Our theoretical results allow a decomposition of ownership share into components explained by the cost of control and by the profitability of a joint venture. Our empirical results using data on technology‐based US firms' subsidiaries in Japan are consistent with our model predictions. In particular, the fraction of ownership share explained by the cost of control relative to the fraction explained by intrinsic profitability is higher for industries that rely more heavily on intangible assets, as expected from the model.

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