Polly (@polly): "Here's how one boss, one of America's best paid bank executives, told his employees that they were going to be spied…" / Twitter

See Carl Shapiro & Joseph Stiglitz (1984), "Equilibrium Unemployment as a Worker Discipline Device", American Economic Review, 74(3), p. 433: "the inability of employers to costlessly observe workers' on-the-job effort, can explain involuntary unemployment" because "workers will choose to shirk".