Corporate lobbying and political contributions and their effects on tax avoidance

Abstract

This study looks at the impact of U.S. lobbying and political contributions on taxes avoided by U.S. publicly traded corporations. Previous research provides mixed conclusions about the effects when examined separately. Looking at political contributions and lobbying contributions simultaneously displays the larger picture. I find that lobbying expenditures and political contributions both lead to lower future taxes, but those political contributions are more effective in reducing taxes paid from what would be expected given the federal statutory rate. This study contributes to the literature in several ways. First, it provides empirical evidence on the positive effects of lobbying contributions and political contributions on taxes avoided. Second, the results of this study are particularly useful for future research following the U.S. Citizens United ruling that affects corporate lobbying and political contributions. Third, differing from previous research, I build a simultaneous equation model to jointly determine the link among lobbying contributions, political contributions, and taxes avoided addressing the endogeneity issues of those relationships. These insights can help firms, policy makers, and public affairs researchers understand the connection between contributions and tax avoidance.