Study on Waiver and Estoppel in Insurance——Reflect on Waiver and Estoppel in Marine Insurance in International Trade;

Research on the Establishment of the System of Waiver and Estoppel in PRC Insurance Law;

The Rules of Waiver and Estoppel in International Business;

What was the change tendency of 62 abstentions in these 37 years? What kind of position do they reflect in china\'s foreign policy? What was the reason behind them? By collecting, compiling and providing statistical data, this paper tries to offer answers to the above questions.

proposed an electronic voting scheme for large scale elections,which becomes impractical because of abstention not being allowed.

Based on the new index and the evaluation model about abstaining from voting,an accurate and effective method of abstaining from voting is put forward.

But only positively abstaining from voting enjoys political rights,while passively abstaining from voting is an infringement on the rights of voters and the election is an offense.

And abandonment option is of great importance for the projects.

This article tries to use an example to reveal the significance of abandonment option in project evaluation.

We study on the interactions between abandon options and growth options by using the probabilistic methods, and obtain the analytic formula for the measurement of interactions.

Based on the land reserve s nature of the options, this paper transforms the value of land reserves into the value of composite options, which is consist of a series of abandon options and expansion options.