Mandatory restrictions, experts say, could increase the price to $12 or higher.

But vendors said that the restrictions would only increase congestion by crowding vendors onto other streets.

These restrictions have increased over the succeeding decades.

"The economy is strengthening, the restrictions on development are increasing and long-term mortgage rates are still historically low."

As the mass of water raced upstream, the restriction increased as it reached the ever narrowing upper reaches.

The restrictions against the Jews increased in number and severity.

It is not yet known if caloric restriction would increase people's life span but preliminary trials with monkeys look promising.

In developed countries, compulsory education and restrictions on child labor have increased the costs to parents.

It also found that restrictions on labour market access may increase the incidence of undeclared work.

By May 1821, restrictions on the local Greeks increased, while churches continued to be assaulted.