In financial journalism, estimating the value of these and other Trump properties has become a cottage industry.
Most companies try to follow the rules long used in estimating the value of such assets in takeovers and other common business dealings.
Comparing net debt across countries is harder than comparing gross debt, because estimating the value of government assets is hard.
Sukhdev arrived at his figure by estimating the value of the services - such as locking up carbon and providing fresh water - that forests perform, and calculating the cost of either replacing them or living without them.
Appraisers and real estate agents sometimes spend years learning the fine points of estimating the value of an apartment, but these prices are guesswork at best — especially so in a depressed market.
Estimating the value for money based on the reduced chance of reoffending over an offender's post-release lifetime, the study calculates the savings to the taxpayer are £88,469.
Unlike most studies of executive pay, the survey also compared the most common method of estimating the value of stock options with the one that arguably influences executive behavior the most: the options' value based on the current stock price.
Since the exact performance targets are often not disclosed, it will be hard to tell if a company is being excessively conservative in estimating the value.
Estimating the value of works by even well-established artists like Twombly or Rauschenberg is notoriously difficult given how fickle the art market can be.
In previous Halliburton filings, the company has used assumptions that would have valued the options as being worth more than $20 million, but it was not clear what assumptions were used in estimating the value of the package for board members.
Add to that the $350 fee for professional appraisal of our house, the $221 for specialised help from an expert accountant and the hours spent on minutiae like cataloguing household furniture, estimating the value of used dresses, determining when my beloved "established legal residence" in our state and getting an estimate of the resale value of my battered pickup truck.
