There are 5 short essay questions. Please use the knowledge

There are 5 short essay questions. Please use the knowledge of Economics of Professional Sports to discuss  it.1. Ramsey Rule2. On the essay, discuss modern salary structure in professional sport.3. Setting team as public goods: how can cities benefit from externalities, multiplier effect, bldgs.4. Unions, free agencies tactics, labour market tactics. 5. Monopsony: what it is, how it works?Need high quality work within 7 hours form now.