The subsidies are expensive, estimated at well over $100 billion.
Meaningful disaster-prevention measures will certainly be expensive: estimates for a New York seawall range from ten to twenty billion dollars.
Parker denied that nuclear was prohibitively expensive, estimating that Australia could build 29 reactors for $160bn with companies such as Westinghouse "lining up" to invest.
A chief difference between the two competing bills in the Senate is that the health panel's measure is far more expensive, estimated to cost more than $1 trillion over 10 years.
The agency also acknowledged that the new regulations would make trucks and buses more expensive, estimating an additional cost of $1,200 to $1,900 per new vehicle.
"London is just very expensive – some estimate up to 15-25% more than other parts of the country," he says.
A reserve may have a recreational as well as an environmental value (absorption of CO2, shelter for animals, etc)., but this value may be difficult and/or expensive to estimate.
It is a computationally expensive to estimate entropic changes using normal mode analysis and the calculation tends to have a large error that introduces significant uncertainty in the result.
"I always thought the bill was going to be more expensive than estimated," he said.
Culling has proved to be extremely expensive, with estimates in excess of £5,000 per badger culled widely reported.
