Stockholm (AP): Joel Mokyr, Philippe Aghion and Peter Howitt won the Nobel Memorial Prize in economics Monday for “having explained innovation-driven economic growth.”

Mokyr is from Northwestern University, Aghion from the College de France and the London School of Economics, and Howitt from Brown University.

The Nobel committee said Mokyr “demonstrated that if innovations are to succeed one another in a self-generating process, we not only need to know that something works, but we also need to have scientific explanations for why.”

Aghion and Howitt also studied the mechanisms behind sustained growth, including in a 1992 article in which they constructed a mathematical model for what is called creative destruction: When a new and better product enters the market, the companies selling the older products lose out.

“The laureates' work shows that economic growth cannot be taken for granted. We must uphold the mechanisms that underlie creative destruction, so that we do not fall back into stagnation,” said Hassler, Chair of the Committee for the prize in economic sciences.

Last year's award went to three economists — Daron Acemoglu, Simon Johnson and James A. Robinson — who studied why some countries are rich and others poor and have documented that freer, open societies are more likely to prosper.

The economics prize is formally known as the Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel. The central bank established it in 1968 as a memorial to Nobel, the 19th-century Swedish businessman and chemist who invented dynamite and established the five Nobel Prizes.

Since then, it has been awarded 56 times to a total of 96 laureates. Only three of the winners have been women.

Nobel purists stress that the economics prize is technically not a Nobel Prize, but it is always presented together with the others on Dec. 10, the anniversary of Nobel's death in 1896.

Nobel honours were announced last week in medicine, physics, chemistry, literature and peace.

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Thiruvananthapuram (PTI): Kerala Police chief Ravada Chandrasekhar has said more than 30,000 drug-related cases were registered in the state last year as part of the government's ongoing 'D-Hunt' drive against drug abuse and trafficking.

In an interview with PTI Videos, the Director General of Police dismissed allegations that Kerala has become a drug hub. The police chief said the higher number of cases reflects stronger detection, not increased drug activity.

Speaking on the 'D-Hunt' campaign, he said it is a coordinated effort by the police and excise departments to crack down on both the supply and demand sides of the drug trade.

Chandrasekhar did not rule out a shift towards synthetic drugs, saying there were clear signs of rising demand.

"The shift towards synthetic drugs is a great possibility, as we regularly seize MDMA. That shows there is an increase in demand. We are addressing it, and we are taking very strong action," Chandrasekhar said.

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The DGP said the police force is giving greater importance to prevention, with awareness programmes organised across the state with community support.

"Our main aim is to reduce the demand side. We are organising various programmes with the help of Student Police Cadets, Janamaithri police and strong community participation," he said.

Highlighting a new initiative, he said the police had launched PODA (Prevention of Drug Abuse) in partnership with the Confederation of Indian Industry (CII) and Young India chapter in Thiruvananthapuram.

"Twenty-one companies have come forward and more than 1,000 employees have voluntarily declared they will not use drugs and are ready for random checks. It is a very good initiative," he said, adding that the programme would be expanded across the state.

On enforcement, Chandrasekhar said the police have made major commercial quantity seizures, tightening pressure on drug suppliers and traffickers.

"In all commercial quantity cases, we invoke provisions of the Preventive Detention Act and also forfeit their properties. This sends a strong message to major suppliers," he said.

Dismissing allegations that Kerala has become a drug hub, Chandrasekhar said, "The allegation is unfounded. There is definitely an increase in detection of cases, which means officers are working very hard to identify and take legal action."

The police chief also said that during a special drive on Tuesday, police detained more than 1,200 people, including hundreds against whom warrants were pending.

He said the operation was conducted in the backdrop of the recent Thiruvalla parlour attack, where a woman was assaulted in broad daylight.

"We will continue such drives to take action against criminal elements and enforce preventive custody. These drives will be intensified as the state is heading for elections," Chandrasekhar added.

Chandrasekhar said the Kerala Police largely perform their duties well and receive widespread appreciation from the public, with only a few stray cases of misconduct reported.

The police chief said that in a force of around 60,000 personnel, who interact with 10,000 to 15,000 people every day, only one or two cases of aberrant behaviour come to notice, and strict action is taken in such instances.

"We have 60,000-odd police personnel. There may be a few troublemakers. Every day we touch 10,000 to 15,000 lives either directly or indirectly. One or two small aberrant behaviours come to our notice and we definitely take note of them and take appropriate action against the officers or personnel involved," the DGP said.

He said that overall, the Kerala Police have earned praise for their conduct, citing their role during major events.

"Generally, Kerala Police get a lot of kudos for good behaviour. You have seen it during the Sabarimala season, during the local body elections. In all these areas, police officers conducted themselves extremely well, and their hard work has actually earned us praise," Chandrasekhar said.

The DGP said police personnel have been clearly instructed to behave respectfully with the public, especially with those who approach police stations seeking help.

"My directive to policemen is that we should conduct ourselves with utmost restraint. Behaviour should be the standard norm and we would like to encourage that. I urge my colleagues to do the same and I request the public to support the police so that we can give better service," he said.

He said there is a strong emphasis on mutual respect between the police and the public.

"Anybody coming to a police station should be handled with respect, and all interactions with the public have to be very cordial. Police are public, and public are police. We need to respect each other. Kerala Police is a professional force and we act as per the law," the DGP said.