This essay is a reply to the famous paper by John Gardner: Legal Positivism: 5½ Myths and the more recent paper by John Prebble: Kelsen, the Principle of Exclusion of Contradictions, and General Anti-Avoidance Rules. The reply is developed from the perspective of tax law where the respective...

This paper investigates how parametric reform in a pay-as-you-go pension system with a tax benefit link affects retirement incentives and work incentives of prime-age workers. We find that postponed retirement tends to harm incentives of prime-age workers in the presence of a tax benefit link,...

Traditional models of capital budgeting including taxes are based on deterministic tax rates and tax bases. In reality, however, there are multiple sources of tax uncertainty. Tax reforms induce frequent changes in both tax rates and tax bases, making future taxation of investments a stochastic...

Under uncertainty and irreversibility, real option-based models are widely accepted for assessing investment projects. So far the existing post-tax analyses do not provide a general analytical description of investor reactions towards profit tax rate changes. This paper sets out to fill part of...