This study analyses the threshold for debt of corporations under the debt-bias corporate tax system. We adopt a contingent claim model of the corporation to reflect the incentive effect of the debt-bias corporate tax system. This framework is based on aspiration level theory and the required...

Tax provisions favoring corporate debt over equity finance ("debt bias") are widely recognized as a risk to financial stability. This paper explores whether and how thin-capitalization rules, which restrict interest deductibility beyond a certain amount, affect corporate debt ratios and mitigate...