Online labour platforms matching labour supply and demand are profoundly modifying the world of work. Businesses use them to outsource tasks to a world-wide pool of workers; while workers can access work opportunities transcending national boundaries. Increasingly, workers are located in...

In a labor market model with cheap talk, employers can send messages about their willingness to pay for higher-ability workers, which job-seekers can use to direct their search and tailor their wage bid. Introducing such messages leads - under certain conditions - to an informative separating...