Unemployment rates across OECD member countries

Was the Chinese share market crash rational asset-price movements without news?

Large share market crashes  such as over the recent months in China and the 1987 Wall Street crash do not necessarily imply an economic slowdown.

The majority of major share market movements occur without any particular news hitting the market. Studies of the 50 largest share market movements in the US stock market between 1946 and 1987 found that the majority of them could not be explained by news. That includes the 1987 share market crash. In October 1987, shares fell by 20% in one day for no obvious reason.

David Romer explained these booms and busts, including the 1987 share market crash in two ways: investor uncertainty about the quality of other investors’ information; and dispersion of information and small costs to trading:

Asset prices can change because initially the market does an imperfect job of revealing the relevant information possessed by different investors and because developments within the market can then somehow cause more of that information to be revealed…

The possibility of imperfect aggregation implies an alternative to external news and irrationality as a potential source of asset-price movements: some price changes may be caused by “internal” news.

That is, asset prices can change because initially the market does an imperfect job of revealing the relevant information possessed by different investors and because developments within the market can then somehow cause more of that information to be revealed.

Either of these models are perfectly plausible. Investors learn from each other through trading and improve their estimations of the value of various shares.

As such, through internal learning and discovery within the share market there can be booms and crashes despite no new information, no communication, and no coordination among the participants in trading. Underneath the surface, there is a gradual updating of information by the participants and at a certain point in time, this causes a sudden change of behaviour.

Dow and Gorton made similar points to David Romer about how share market learning is a process of learning, judgement and error correction rather than an instant adjustment:

Strategic interaction and the complexity of the information result in a protracted price response.

Indeed, equilibrium price paths of the model may display reversals in which the two traders rationally revise their beliefs, first in one direction, and then in the opposite direction, even though no new information has entered the system.

A piece of information which is initially thought to be bad news may be revealed, through trading, to be good news.

Bubbles and crashes are consistent with private information held by a few slowly dispersing among market participants until this knowledge was reflected in stock prices as in Hayek’s (1945) analysis of the price mechanism as a means of communicating information.

HT: The one thing you should remember about the stock market crash of 1987 | Business Insider.

Greek and US great depressions compared

https://twitter.com/ianbremmer/status/620570062538309632/photo/1

Greece’s possible currency outcomes, from today’s euro to the drachma

The Marshall plan and the Greek bailout compared

Image

Major sovereign bond defaults in recent history

via Defaulting Debtors.

Financial crises surprisingly common, but few countries close their banks

The left-wing solution to Greek bankruptcy

Real and Pseudo-Financial Crises, the Chinese share market crash and Anna Schwartz

If we could take time out from the breathless journalism about the Chinese stock market, which some people may have heard of before this week, it’s crash should be seen through the lens that Anna Schwartz developed in 1987 of a pseudo financial crisis and a financial crisis.

Her paper is written at the same time as the 1987 stock market crash. On financial crises, Anna Schwartz said:

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As for those pseudo financial crises, she said:

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Schwartz’s principal concern with regard to pseudo financial crisis was:

proposals to deal with pseudo-financial crises is the perpetuation of policies that promote inflation and waste of economic resources

As we are talking about the Chinese stock market, Anna Schwartz also wrote about the concepts of real systemic international risk and and pseudo international systemic risk.

Once again, and as with pseudo financial crises and real financial crises, what distinguishes real systemic international risk and pseudo international systemic risk is a threat to the payment system. The threat of bank runs, which can easily be eliminated through lender of last resort facilities:

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As always it is about the security of the payments system – of avoiding bank runs, not private losses:

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The lesson for the day is that when people start panicking about the economy or the stock market or international markets, don’t go to a macroeconomist for advice, go to a monetary historian. They have seen it all before.

Income inequality before and after taxes and transfers

Poverty traps in America

A tale of Italy’s two economies

Richer is greener: environmentalists are Environmental Kuznets Curve deniers

The Kuznets environmental curve describes an empirical regularity between environmental quality and economic growth. Outdoor water, air and other pollution first worse and then improves as a country first experiences economic growth and development.

While many pollutants exhibit this pattern in the Kuznets environmental curve, peak pollution levels occur at different income levels for different pollutants, countries and time periods. John Tierney explains:

In dozens of studies, researchers identified Kuznets curves for a variety of environmental problems.

There are exceptions to the trend, especially in countries with inept governments and poor systems of property rights, but in general, richer is eventually greener.

As incomes go up, people often focus first on cleaning up their drinking water, and then later on air pollutants like sulphur dioxide.

As their wealth grows, people consume more energy, but they move to more efficient and cleaner sources — from wood to coal and oil, and then to natural gas and nuclear power, progressively emitting less carbon per unit of energy.

When I was living in Japan in the mid 1990s, they just completed a period of rapid operation of the Kuznets environmental curve. I was told by my professors at Graduate School that in the 1960s, cities and prefectures welcomed polluting industries because of the better paid jobs they offered. At that time, shipping companies used like to go to Tokyo because the pollution in Tokyo Bay was so bad that it would clean all the barnacles off their ships. That made them sail faster.

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Japanese incomes and wages doubled over the course of the 1960s. The Japanese voter was now prepared to support stricter pollution standards and environmental controls.

In the early 1970s, the ruling LDP stole the long-standing environmental policies of their opponents in a big crack down on pollution because the country could now afforded them.

Plenty of developing countries are democracies now. Their people could demand through the ballot box higher environmental standards and clean tap water but they don’t because of its cost to economic development.

The environmental movement lives in a state of denial regarding the relationship between economic growth and environmental quality.

Why does 1% of history have 99% of the wealth?

Scotland already has its own currency ripe for a currency board?

Since 1844, the Bank of Scotland, Clydesdale Bank and The Royal Bank of Scotland have been allowed to issue banknotes in denominations of £5, £10, £20, £50 and £100.  Only the Royal Bank of Scotland continues to issue a small volume of £1 notes. Two Northern Irish banks have similar prerogatives.

These Scottish banknotes are not legal tender in England. No banknotes have legal tender status in Scotland, whether issued by Scottish banks or the Bank of England. The Bank of England says:

Scottish and Northern Ireland banknotes are fully backed at all times by ring-fenced backing assets partly held in Bank of England notes and UK coin, and partly as balances on accounts maintained by the issuing banks at the Bank of England.

Consequently, holders of genuine Scottish and Northern Ireland banknotes have the same level of protection as that available to holders of genuine Bank of England notes.

The acceptability of any means of payment, including banknotes, is essentially a matter for agreement between the parties involved in a transaction in Scotland.

Bank of England keeps control Scottish bank notes in issue by stipulating that the issuing bank hold in their reserves the same amount of UK money (either in cash or on deposit at the Bank of England) as the Scottish notes they issue. These reserves could easily be converted to a currency board.

  • A currency board issues local notes and coins anchored to a foreign currency (e.g. Sterling) backed by government bonds with 1 pound sterling  pound sterling and British government bonds for every Scottish pound currency note issued.
  • A currency board issues domestic notes and coins only when there are foreign-exchange reserves to back it. In the case of a Scottish currency board, there would be pounds Sterling reserves to back any Scottish pounds and currency notes on issue.

The Hong Kong currency board has operated successfully through 30 years of financial turbulence and radical constitutional change. There is no reason why a Scottish currency board could not do likewise, guaranteeing the convertibility of a Scots pound, initially at parity with the English pound sterling.

After independence, Ireland acted effectively as a currency board until the 1970s. Currency boards were commonplace throughout the British Empire and were highly successful.

  • On the independence of the Irish Free State in 1922, the introduction of an independent currency was a low priority because 98% of exports and 80% of imports were with the UK.
  • British banknotes and notes issued by Irish banks circulated (but only the first were legal tender) and coins remained in circulation.

Under the Currency Act 1927, the Saorstát Pound (Free State Pound) was created at parity with the British Pound Sterling. A Currency Commission kept British government securities, sterling cash, and gold to keep a 1:1 relationship between the two currencies.

Although a Central Bank of Ireland was created in 1943, the Irish punt remained linked to sterling with the central bank operated as a de facto currency board policy until joining the European Exchange Rate Mechanism in 1979.

A currency board has no capacity to act as a lender of last resort to a Scottish banking system.

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NOT A LOT OF PEOPLE KNOW THAT

“We do not believe any group of men adequate enough or wise enough to operate without scrutiny or without criticism. We know that the only way to avoid error is to detect it, that the only way to detect it is to be free to inquire. We know that in secrecy error undetected will flourish and subvert”. - J Robert Oppenheimer.