profitability of authorship. Empirical evidence, however, is scarce, because data on the profitability of authorship is typically … extensions may not have any effects on the profitability of authorship. To investigate effects of copyright at lower pre … copyright terms may, in fact, increase the profitability of authorship.Institutional subscribers to the NBER working paper …

profitability of authorship. Empirical evidence, however, is scarce, because data on the profitability of authorship is typically … extensions may not have any effects on the profitability of authorship. To investigate effects of copyright at lower pre … copyright terms may, in fact, increase the profitability of authorship …

profitability of authorship. Empirical evidence, however, is scarce, because data on the profitability of authorship is typically … extensions may not have any effects on the profitability of authorship. To investigate effects of copyright at lower pre … copyright terms may, in fact, increase the profitability of authorship …