Professional standards vary across professions and also change over time. One profession which has remained perfectionist is classical music, where the amount of practising is striking compared with other professions. Practising is a matter of increasing the reliability of ones skills rather...

This paper analyzes optimal linear taxes on capital and labour incomes in a life-cycle model of human capital investment, financial savings, and labour supply with heterogenous individuals. A dual income tax with a positive marginal tax rate on not only labour income but also capital income is...

We develop a model of human capital formation with endogenous labour supply and heterogeneous agents to explore the optimal level of education subsidies along with the optimal progressive schedule of the labour income tax and optimal capital income taxes. Subsidies on education ensure efficiency...

Two of the earliest inventions of a human capital-intensive technology were for the production of personal internal goods that enabled humans to derive more pleasure out of leisure, namely dance and music. I model the incentives to invent hobbies and to acquire hobby skills, and its implications...