Most early studies show that taxes on the island would almost surely rise - with property taxes in some cases perhaps doubling or tripling.

The laws also increase jail terms for other violent acts against police officers, in some cases doubling the mandatory sentence requirements.

All three judges increased the amount of jail time given to striking teachers, in some cases doubling sentences to two weeks.

The protective case doubles as a stand for watching videos or typing.

The case, too, doubled the problem of traversing the narrow crevice.

"In the early days, cases doubled every year, so the numbers are down somewhat."

Both the number of reported deaths and the cases of liver damage have doubled since March, agency officials said.

Ms. Redmond said that in the last two years, house prices have jumped about 30 percent - in some cases even doubled.

Couplers add about $300 to the price, and a hard case doubles that cost.

Fearing that the cases could double next year, the city is drilling local boards on how to protect themselves against litigation.