john cassidy, a frequent contributor to the new york review of books argues free-market economic theories failed to take into account how hu decision-making. the harvard book store in cambridge, massachusetts hosts the 50 minute event. >> thanks very much everybody for coming out on actually quite pleasant winter afternoon and thanks very much for harvard bookstore for inviting me here. i have been thinking about writing a book on how markets fail for many years but my wife always put me off say nobody is going to buy a book with that negative of the title. [laughter] she may be right, we'll see but after the financial crisis a couple of years ago i thought i should sit down and write this book. aftra there are so many economic problems out there from inequality come up polity, repeated financial crises, global warming, urban blight, you name it and there are lots of problems which rarely get addressed and straightforward economics of the sort that i learned, economics at that i am sure some of you did so i thought there is definitely a market there for a more skeptical view of the econom