The figure also shows that capital requirements tighten in a similar way for both core and periphery banks if the proportion of the illiquid asset is increased.
Security requirements were tightened after the attacks on the United States Embassies in Kenya and Tanzania in August 1998.
After the Enron scandal of 2001, in which auditors failed to notice a vast fraud at a publicly traded energy firm, disclosure requirements were tightened drastically.
This has resulted in extended test requirements and tightened limits on performance parameters and has stimulated the development of new processes for circuit-board assembly.
"What we've seen over the last weeks was elevated levels of volatility in credit markets and perhaps some margin requirements being tightened," Puneet Sharma, a credit analyst at Barclays Capital in London, told The Times.
Middle-income borrowers are more likely to own homes, but they are now unable to borrow against the equity of their houses, because home values have fallen and lending requirements have tightened.
Eligibility requirements have tightened too, and with oil prices climbing — the average in Maine was $3.66 a gallon last week, up from $2.87 a year ago — many here are anticipating days or weeks of forgoing heat.
Mortgage brokers already must be licensed in 23 states, but if the requirements are tightened there won't be quite so many brokers fighting over what business is left.
As technology increases and performance requirements continually tighten, the cost and required precision of assemblies increase as well.
Pat Stevens, chief environmental planner for the Atlanta Regional Committee, which provides employees to the water district, said the plan was being revised and the requirements would tighten.
