Some politicians fear the burden that migrants will impose on local communities and taxpayers. Others fear extremists masquerading as genuine refugees.

If we want a stronger, cleaner, and fairer world economy, we need to deal with the controversial areas of globalisation, such as tax havens.

The OECD should promote everything that's consistent with its mandate, which is to make the world economy work better.

We are dealing with the greater challenges of globalisation. It is generating, in many cases, an increase in the levels of inequality in societies... that is undesirable.

History is full of lessons for how water crises could have been avoided or better managed.

Everywhere, you have a fatigue for reform... that's very serious.

Our mission is to make the world economy work better.

The City of London is always going to be there and will continue to be important.

European leaders cannot afford to be afraid. The refugee crisis is not one from which they can opt out. No magic wand will empower leaders to transport more than a million people back across the Aegean and the Bosphorus to Mosul and Aleppo, or across the Mediterranean to Eritrea, Somalia, and Sudan.

Principles of fair and equitable treatment included in many treaties are uncontroversial as general principles of good public governance.

I said a vote to leave would be a Brexit tax. I couldn't think of anything stronger than that.

The concept of national treatment is a core component of investment and trade agreements. It promotes valuable competition on a level playing field. Investment treaties should not turn this idea on its head, giving privileges to foreign companies that are not available to domestic companies.

'Tax' is a bad word for politicians.

Most businesses do not take governments seriously when it comes to climate, primarily because many governments have inconsistent and incoherent policies and then often keep changing them, sometimes retroactively. This makes businesses reluctant to invest in greener technologies.

Our planet is warming dangerously.

By assessing the capabilities and knowledge of students in the highest-performing and most rapidly improving education systems, the OECD's Program for International Student Assessment provides valuable options for reform and information on how to achieve it.

When a large financial institution is allowed to fail, you put in jeopardy hundreds of thousands, if not millions, of people.

Governments can and do expropriate investors or discriminate against them. Domestic judicial and administrative systems provide investors with one option for protecting themselves.

The euro is going to continue to be the largest single trading block.

In a country like Mexico, you can't forget about poverty - about how half of the population lives in poverty, and how half of that half live in extreme poverty.

Social cohesion and inclusive growth are additional crucial perspectives to incorporate into public policies, targeting a renewed social contract that reduces inequalities and benefits the whole of society.

It isn't only rich countries that suffer from the effects of tax havens. Developing countries also lose billions of dollars in tax revenues due each year because wealthy individuals and some companies use tax havens to move assets and income offshore.

Creating a global platform for collaboration in education research and innovation has been the PISA initiative's aspiration from its conception in the late 1990s.

In order to encourage private investors to pursue long-term, responsible projects, governments need to promote consistent policies and frameworks.

We need to focus much more on the bottom 40 per cent. They are losing ground, and the fact that they are losing ground blocks social mobility and brings down economic growth.

It will be crucial the E.U. and the U.K. maintain the closest economic relationship possible.

Integrity delivers better lives.

If the world is to avoid a collision with nature - one that humanity surely cannot win - we must act boldly on every front, particularly with respect to carbon pricing and the coherence of our economic and energy policies.

It takes collaboration across a community to develop better skills for better lives.

The idea that if governments open up and become more democratic they will fall is a false dilemma.

Coal is the most carbon-intensive fuel available for electricity generation. The most urgent threat to climate policy is the scale of new investments in unabated coal-fired electricity generation still being planned.

Israel has been doing very well, but there are challenges the country faces, like poverty and social integration of the Orthodox, Arab, Beduin, and Ethiopian population, which will be essential for sustaining strong growth over time.

Transparency and effective tax co-operation must be shared principles applied by all. Until they are, nations will need to protect themselves against loss of revenues to tax havens.

In a globally interdependent world, a better financial and investment system cannot be achieved on a country-by-country basis. There may be no one-size-fits-all model for economic development, but without global standards and complementary regulations, the long-term outlook for the world economy will remain bleak.

There is no reason for women to trail behind men in social, economic, and political outcomes.

Reforms to product and labour markets, education, innovation, green growth, competition, taxes, health - they are the things that should be the object of our primary focus in the context of a long-term strategy to restore sustained growth.

We are totally schizophrenic. We are trying to reduce emissions, and we subsidize the consumption of fossil fuels.

Governments need to be seriously sceptical about whether new coal provides a good deal for their citizens.

Regulations for international accounting and funding will have to be examined to identify policies that inadvertently discourage institutional investors from putting their resources into longer-term, illiquid assets.

The G7 doesn't have a permanent secretariat. The OECD can help the G8 and set the agenda for them. The secretary general of the OECD should be going to them proactively and discussing issues and priorities.

Israel is a producer of growth.

The OECD should respond directly to the specific needs of the member countries. You basically say, 'What works?' You don't have to go on a discovery trip. It's all there; you just call them, and they know. It's like a knowledge bank.

The whole banking sector in Mexico was literally bankrupt. For whatever reason, instead of intervening in the sector or supporting the banks, the government expropriated them. We went through the very laborious period of selling the failing banks to the wealthy people of Mexico.

It doesn't really matter who owns things so long there is enough competition, which means lower pricing, better quality goods, more variety, and an economy where the consumers are the big winners.

At the OECD, we stand ready to continue to help our member and partner countries to design, promote, and implement Better Policies for Better Lives.

Those who argue for Brexit are wrong, and that is because they have not been properly informed about the costs.

You can accuse Europeans of being many things - except fast.

High levels of inequality generate high costs for society, dampening social mobility, undermining the labour market prospects of vulnerable social groups, and creating social unrest.

Water security is not just for domestic policies. International co-operation is crucial to sustainably manage trans-boundary water bodies and river basins.