Loan assignments make up more than $90$ percent of the U$.$S$.$ domestic loan sale market because

a$)$ they have lower capital requirements than other types of loan sales.

b$)$ they are riskier than are other types of loan sales.

c$)$ monitoring costs are reduced since all rights are transferred upon sale.

d$)$ regulators prefer these transactions to loan participations.

e$)$ there is no secondary market in loan participations.