Question: what factors determine the quantity of labor demanded during a given period?
Answer: Nominal and real nominal wages. Nominal wages are the money wages paid to labour in a given period of time. ... 
The wage rate. The higher the wage rate, the lower the demand for labour. ... 
Marginal productivity. ... 
The demand for the products. ... 
Productivity of labour. ... 
Profitability of firms. ... 
Substitutes. ... 
The number of 'buyers' of labour.