Theoretical Analysis and Policy Suggestions on the Shortage of Peasant-Workers in China;

The main cause for laborers inefficiency in SMEs(Small and Medium Enterprises) of the Pearl River Delta lies in the inefficiency of SMEs s inner management mechanism in the following aspects: the lagging human resources management system,the discrimination against laborers from other places,the lagging spiritual excitation mechanism for the second generation of labor force from farmers.

Planned economy is the the origin of the shortage of technicians in China;

Economic Analysis on the Shortage of Low-price Essential Medicines Caused by Price-lowering Policy;

Preliminary Discussion on the Shortage of Licensed Pharmacists in the USA;

The analysis and consideration to the high-skilled personnel shortage in the power field;

As a result of a weak consciousness of water-saving among people, serious waste of water, low efficiency of water use in industrial and agricultural productions, environmental pollution, and over-exploitation of groundwater, scarcity of water resource in China is serious.

<Abstrcat> Standard textbooks tell us that, in market economy, ceiling price would result in scarcity, but they don t give answers to such questions as how to distribute scarce resources among consumers.

The primary scarcity risk factors of water resources in the irrigation region of the lower Yellow River are obtained by using the principal component weight analysis method and the grey association analysis method,the water resources carrying capacity of each region is evaluated with multifactorial comprehensive evaluation of risk factors.