We present a unified duality approach to Bayesian persuasion. The optimal dual variable, interpreted as a price function on the state space, is shown to be a supergradient of the concave closure of the objective function at the prior belief. Strong duality holds when the objective function is...

Credit scoring is central to people’s financial growth and prosperity or financial decline and stagnation. People with a good credit score and accompanying credit report can buy opportunities to advance economically. The benefits they reap from their attractiveness to lenders and employers...

International trade economists made seminal contributions to general equilibrium theory, moving away from an emphasis on existence of equilibrium to algebraic formulations which enabled us to characterize key relationships between parameters and variables, such as that between tariffs and...