Germany was reluctant to give up the Deutsche Mark, a symbol of its economic power and commitment to price stability.

The fundamental benchmark interest rates in modern financial markets are the so called risk free rates on government bonds.

I'd like to deal with the lack of affordable personal mobility in this country by making it very cheaply possible for low income families to get efficient, reliable, warranted new cars that they could otherwise never get.

We need to go beyond donations and reduced pricing schemes to build sustainable health care systems with strong distribution channels and education programs for the public and for health care workers. Without these components, the model collapses.

Whatever your reason for wanting to do this, whether you're concerned about national security or price volatility or jobs, or the planet, or your grand kids, it seems to me that this is an oil endgame that we should all be playing to win.

Second, the necessary change in prices would be achieved by taxing energy, using tools that are both practical and efficient. The best option is to build a carbon charge into existing fuel taxes and apply similar charges to coal, natural gas, and other petroleum products.

In short, it is in Saudi Arabia's interest for oil prices to rise high enough to sustain its own economy, but not so high that they can sustain significant increases in non OPEC supply. In order to keep prices in this ideal range, Saudi Arabia may even increase production again.

We need to go beyond donations and reduced pricing schemes to build sustainable health care systems with strong distribution channels and education programs for the public and for health care workers. Without these components, the model collapses.

For example, rather than trying to regulate away problems, which probably won't work, if we could price into the cost of doing business, the cost of catastrophe, so that people who are doing things that had a higher cost of catastrophe would have to take insurance against that risk.