Briefly summarize the main characteristics of the following compensation schemes: piece rates, efficiency wages, merit pay, tournaments, group compensation, and deferred compensation. Draw a table with five columns: (i) "Change from time-base pay to... name of scheme," (ii) "Observability of worker output," (iii) "Expected changes in worker behaviors that are in line with the employer's objectives," (iv) "Expected detrimental changes in worker behavior," and (v) "Expected change in the pool of applicants."