According to the World Health Organization, more than one million road traffic deaths occur every year throughout the world. Many countries have established quantified road safety targets in response. Road safety targets need to be based on reliable forecasting methods. This paper attempts to...

Many OECD (Organization for Economic Co-operation and Development) countries have implemented national suicide prevention strategies. An accurate forecast of future suicide rate, if available, will be useful for planning and evaluation of a suicide prevention strategy. Therefore, we have...

A miracle in medical procedure, organ transplantation, has taken place in recent decades due to the diffusion of a new technology. The new technology refers to a family of the so‐called immunosuppressive drugs. As a result, survival rates of major organ transplants have risen to a...

Background: Reduction of under-five year mortality rate by two-thirds by 2015 compared to 1990 level has been adopted as Target 4A in the Millennium Development Goals. Since infant deaths account for over seventy percents of under-five year mortality, the same two-thirds reduction Target of...

Many of the critical technologies in knowledge economy are undergoing an exponential rate of rapid improvement. The best known roadmap to guide exponential trend of improvement has been provided by Moore’s law. This paper will update the validity of Moore’s law by applying it to...

A projection of future energy consumption is a vital input to many analyses of economic, energy, and environmental policies. We provide a benchmark projection which can be used to evaluate any other projection. Specifically, we base our projection of future energy consumption on its historical...

How much productivity improvement or cost reduction would be possible when the number of semiconductor chips fabricated increased from one million to two million? How many more wind farms or photovoltaic farms needed to be installed before their unit cost of producing electricity can become...

Do large cities suffer from even greater incidence of crime? According to Bettencourt, et al. (2007), the number of crime follows super-linear relationship as a function of city size. For example, if the population size increases by 100%, the incidence of crime may increase by 120%. We analyzed...