The decades-long global war on drugs has failed and it's time to shift the focus from mass incarceration to public health and human rights, according to a new report endorsed by five Nobel Prize-winning economists.

The report, titled "Ending the Drug Wars" and put together by the London School of Economics' IDEAS center, looks at the high costs and unintended consequences of drug prohibitions on public health and safety, national security and law enforcement.

"The pursuit of a militarized and enforcement-led global ‘war on drugs’ strategy has produced enormous negative outcomes and collateral damage," says the 82-page report. "These include mass incarceration in the US, highly repressive policies in Asia, vast corruption and political destabilization in Afghanistan and West Africa, immense violence in Latin America, an HIV epidemic in Russia, an acute global shortage of pain medication and the propagation of systematic human rights abuses around the world."

The report urges the world's governments to reframe their drug policies around treatment and harm reduction rather than prosecution and prison.

It is also aimed at the United Nations General Assembly, which is preparing to convene a special session on drug policy in 2016. The hope is to push the U.N. to encourage countries to develop their own policies, because the report declares the current one-size-fits-all approach has not proved to be effective.

"The UN must recognize its role is to assist states as they pursue best-practice policies based on scientific evidence, not undermine or counteract them," said Danny Quah, a professor of economics at LSE and a contributor to the report. "If this alignment occurs, a new and effective international regime can emerge that effectively tackles the global drug problem."

In addition to contributions from Quah and a dozen other foreign and drug policy experts, the report has been endorsed by five past winners of the Nobel Prize in Economics: Kenneth Arrow (1972), Sir Christopher Pissarides (2010), Thomas Schelling (2005), Vernon Smith (2002) and Oliver Williamson (2009). Also signing on to the report's foreword are a number of current and former international leaders, including George Shultz, secretary of state under President Ronald Reagan; Nick Clegg, British deputy prime minister; and Javier Solana, the former EU high representative for common foreign and security policy.

Guatemalan President Otto Perez Molina, who has announced that his government may present a plan to legalize production of marijuana and opium poppies by the end of 2014, has also publicly backed the report. Molina plans to discuss the report at the U.N.

A recent Pew survey suggests that Americans may be ready to refocus the U.S. end of the drug war, with 67 percent favoring policies that would provide drug treatment.

“The drug war’s failure has been recognized by public health professionals, security experts, human rights authorities and now some of the world’s most respected economists,” said John Collins, the International Drug Policy Project coordinator at LSE IDEAS. “Leaders need to recognize that toeing the line on current drug control strategies comes with extraordinary human and financial costs to their citizens and economies.”