Corporate tax, financial leverage, and portfolio risk

Paul Moon Sub Choi, Chune Young Chung, Dongnyoung Kim

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We examine the theoretical implications of corporate income tax for a risky portfolio in a aggregate-endowment economy. In this model, corporate income tax affects the portfolio risk associated with the rebalancing motive during market clearance. An asset is defined as a portfolio of stocks and bonds whose portfolio weights are similar to financial leverage. Corporate tax can decrease after-tax consumption from dividends (increase leverage) and increase the tax shield that increases dividends (decrease leverage). Changes in dividends are responsible for the correlation between expected dividend growth and consumption growth and, thus, affect stock pricing and returns. Overall, the model is characterized by tax-induced portfolio risk associated with financial leverage.

Original languageEnglish
Article number101264
JournalNorth American Journal of Economics and Finance
StatePublished - Nov 2020


  • Corporate tax
  • Financial leverage
  • Portfolio risk
  • Stock return


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