We study the effects of leadership in the provision of public goods by examining (i) the relative importance of reward and punishment as leadership devices, (ii) whether endogenous leadership is more efficient than exogenously enforced leadership, and (iii) whether leaders contributing last,...

We study experimentally the relationship between intra-firm wage dispersion chosen by principals and workers' performance. Principals show a preference for more egalitarian wage schemes, and workers are negatively influenced by high levels of wage inequality. -- wage dispersion ; effort ;...