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...