We analyze the optimal tax choices of a revenue-maximizing government that levies taxes from firms of which the true degree of mobility is ex ante unknown. Differential tax treatment of immobile and mobile firms is ruled out, but the government may learn from the firms' location responses to...

Recent empirical studies find that foreign direct investment (FDI) by a multinational firm is not associated with a reduction of the firm’s domestic activities. As it is often argued, this finding may imply that a country should not tax the firm’s foreign profit income since this reduces...