Country size and tax competition for foreign direct investment

We analyse tax competition between two countries of unequal size trying to attract a foreign-owned monopolist. When national governments have only a lump-sum profit tax (subsidy) at their disposal, but face exogenous and identical transport costs for imports, then both countries will be willing to offer a subsidy to the firm. At the same time, the firm prefers to locate in the larger market where it will be able to charge a higher producer price. In equilibrium the large country receives the investment and may even be able to charge a positive tax, if the difference in the sizes of the national markets is sufficiently great. The profit tax paid in equilibrium rises further if countries are given an additional instrument o