Sentences with phrase «social discount rate»

For this reason and others, such as the choice of social discount rate, the estimates of the SCC range from near zero to hundreds of dollars per ton of carbon.

Theoretically, it is defined as the potential for cost - effective heat - trapping gas (greenhouse gas) mitigation when non-market social costs and benefits are included with market costs and benefits in assessing the options for particular levels of carbon prices (as affected by mitigation policies) and when using social discount rates instead of private ones.

Assume greater climate damages or a lower social discount rate — meaning how much we discount the value of future social returns in relationship to present - day investments — and models will tell you that higher levels of current spending are justified.

Social unit costs of mitigation - Carbon prices in US$ per metric ton (~ 2,205 pounds) of CO2 and US$ per metric ton (~ 2,205 pounds) C - eq (as affected by mitigation policies and using social discount rates) required to achieve a particular level of mitigation (economic potential) in the form of a reduction below a baseline for heat - trapping gas (greenhouse gas) emissions.

As was discussed by Frances and other commenters, it is arguable that social discount rate should not include a time value of money, and should not include a liquidity premium.

The public equity market is factually and demonstrably a small fraction of the financial assets available and traded in the economy, and it still is not clear to me why that particular slice of the asset world should be used as a price guide for the social discount rate.

We assumed that breastfeeding does not influence the costs of childbearing and discounted future costs by 3 % per year, the social discount rate, to the year when our hypothetical women were aged 25 years, the mean age of U.S. women at first birth.14 We performed sensitivity analyses with discount rates of 0 % and 5 %.

Economists have a theory of the social discount rate which helps them find the true social cost in situations such as wind subsidies, but it is not especially accurate, and is completely opaque to the uninitiated.

Sacrifices that have long - term benefits are unlikely to be undertaken unless the social discount rate is much lower [e.g., ~ 0.5 % per year] than any rate we can currently motivate empirically.»

I found myself becoming very curious whether economists who support Sir Nicholas's social discount rate of zero, such as econ bloggers John Quiggin and Brad DeLong, identify themselves as pro-choice or pro-life, and whether they had considered the Stern Report from this angle.

Thus, if real economic growth equals 2 % per year, and population growth equals 2 % per year, then the social discount rate should be zero.

«the Review's near - zero social discount rate... puts present decisions on a hair - trigger in response to far - future contingencies.