But nothing about this subsidy explains the timing of the boom in housing and outlandish mortgage lending.

Germans do not see why they should be vulnerable because of poor quality mortgage lending in American inner cities.

And essentially the same happened with US subprime mortgage lending and with the Spanish banking system in the 2000 s.

Mortgage lending, however, is a long standing activity for commercial and savings banks, mostly unaffected by Glass Steagall or its repeal.

Indeed, subprime mortgage lending delivered illusory wealth increases to Americans at a time when they were suffering from stagnant or falling real wages.

They have considerable flexibility, owing to a range of policy tools, including variable capital and reserve requirements and direct controls on mortgage lending terms.

Public policies to subsidize US mortgage lending have been costly, inefficient, and have encouraged excessive risk taking, which helped push the system toward crisis.

Even so, the explosion in the quantity of collateralized debt obligations and similar securities went far beyond what was needed to sustain mortgage lending.

Partial loan guarantees from Governments and donors to support capitalization of mortgage lending institutions that serve low income borrowers could be a promising option.

With China s mortgage lending equal to only 10 of GDP, compared to 60 70 in the Anglo Saxon countries, there is huge opportunity for growth.

That way, they would share the pain if the securities are not serviced and thus gain a powerful incentive to maintain tight mortgage lending standards.

Who wouldn t want credit markets to serve the cause of home ownership? So we start by introducing some real competition into the mortgage lending business.

The staff saw the relaxation of lending standards in the US mortgage market, but noted that borrowers at risk of significant mortgage payment increases remained a small minority, concentrated mostly among higher income households that were aware of the attendant risks.

Today, however, Spanish banks especially those most heavily engaged in domestic mortgage lending must pay a much higher spread over interbank rates to secure new funding.

Article IV surveillance of the United States during the sub prime mortgage boom said little about the dangers posed by such lending for international financial markets.

First, the banks that used to do conventional mortgage lending are in bad financial shape. Second, the securitization model is badly broken and not likely to be replaced anytime soon.

Ironically, then, the expanded access to mortgage lending that creates new homeowners in Latin America may end up protecting the region from the disaster that too loose credit created in the US.

In the UK, similarly, we have had problems with mid sized mortgage banks, and with poor commercial real estate lending by mutual building societies, as well as problems with two large banks.

Indeed, in its 2006 annual review of the US economy, the IMF was extraordinarily benign in its assessment of the risks posed by the relaxation of lending standards in the US mortgage market.

America s mortgage market remains on life support the government now underwrites more than 90 of all mortgages, and President Barack Obama s administration has not even proposed a new system that would ensure responsible lending at competitive terms.

Occupy the Mortgage Lenders

But the paper also shows that domestic prudential policies such as capping home mortgage loans at a certain percentage of the property s value, or increasing banks capital requirements during economic upswings can be effective at restraining lending booms.

Mortgage originators bore no consequences for their irresponsibility, and even those who engaged in predatory lending or created and marketed securities that were designed to lose did so in ways that insulated them from civil and criminal prosecution.

CHICAGO Before the recent financial crisis, politicians on both sides of the aisle in the United States egged on Fannie Mae and Freddie Mac, the giant government backed mortgage agencies, to support low income lending in their constituencies.

It was widely known that banks and mortgage companies were engaged in predatory lending practices, taking advantage of the least educated and most financially uninformed to make loans that maximized fees and imposed enormous risks on the borrowers.

Policy enhancements have been made to mortgage portability, second homes and mortgage qualification for self employed borrowers.

The Right Weights for Mortgage Risks

Ultra cheap money produced a surge in sub prime mortgage lending a market that collapsed when interest rates increased steadily after 2005, reaching 5 .The financial crisis of 2008 was the start of a highly painful, but inevitable, process of de leveraging.

Mortgage debts, too, must be written down.

The IMF s Lending Overhaul

Lending in the Dark

(d) Consumer Lending (CLP)

Housing prices peaked as lending slowed, and prices then started to decline. The housing bubble was bursting by last fall, and banks with large mortgage holdings started reporting huge losses, sometimes big enough to destroy the bank itself, as in the case of Bear Stearns.

(b) Solidarity Group Lending (SGL)

In Greenspan s words, the self interest of lending institutions would protect shareholders and the economy from lending excess.

Globalization implies that America s mortgage problem has worldwide repercussions.

But mortgage markets remain underdeveloped in most emerging economies.

The EIB should expand its lending.

Nor do existing international lending institutions.

As a result, mortgage brokers maximize their income by generating larger volumes of mortgages, as do the banks that package these loans into mortgage backed securities (MBS s).

Lending to eurozone governments continues to have a zero risk weight. This will only increase the bias in bank lending towards government debt and against lending to enterprises, especially small and medium size businesses.

Mortgage brokers were happy to get in on the act.

Some limited previous experience with mortgage modifications is not encouraging.

It may make sense for central banks (or Fannie Mae, America s major government sponsored mortgage company) to buy mortgage backed securities in order to help provide market liquidity.

Lending dried up and economies started shrinking.