Vertical Foreclosure and Risk Aversion, from Hansen and Motta

I swear it is the last time for me to go to the seminars and write posts before the final exams. Eh... But I cannot stop myself from going to this talk: first, it is from my dear micro teacher Hansen; second, it is somehow related to behavioral economics... So how can I keep on staying in my room?

As before, here is the basic information:

Vertical Foreclosure and Risk Aversion
Massimo Motta and Stephen Hansen (UPF and Barcelona GSE)
UPF Micro and Behavior Economics Seminar

Apparently, the topic was related to vertical foreclosure and risk aversion.  In his model the influence of risk aversion behaviors on principal's optimal contract choice has been considered. Although he only used typical P-A model and profit-max, the results turn to be really beautiful, especially when he generalizes the number of firms to a bigger size, and infinite.

The only thing I can think of is that if there is additional management/transaction cost when N goes lager, will there be an optimal size N? Although it is not the main point that he wants to stress, it is still somehow valuable to take in to account, since in the real world no body can ignore the transaction costs. But, anyway, his beautiful results are enough for me to enjoy~

Fine, I need to keep things short and efficient. After the exam, I will begin to work on my master project and read more papers. Hopefully it is possible to finish what I want to do in the final project in the next spring. Time always goes too fast...

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