please provide detailed answers thanks

3] The government is asking you how to increase the long-run growth rate of output per capita, YIN, where Y is output and N the population size. The production function is Cobb- Douglas: Y = KaLl'a. a) One policy proposal is to look for ways to increase the number of workers L per capita; the other is to look for ways to increase labor productivity. Are there other possibilities, or does this cover all possibilities? bl Suppose only one ofthese two strategies can be investigated; which would you recommend? c) Give an example of a way to increase labor productivity