Comparison of affordable housing

Research paper comparing affordable housing policies in different countries. Should be a comparison or UK, France, and a third country of your choice, and have a conclusion with a suggestion of which policy is best. Conclusion can also be that the best methodology is a function of a number of different criteria. I suggest UK and France as these are two countries that have been forced to deal with shocks to population – war in the uk and immigration from africa in france. There should be something to shocks in population and immigration