We propose to leverage accountability mechanisms to deal with trust-related security incidents of certification authorities (CAs) in the SSL/TLS public-key infrastructure (PKI). We argue that, despite recent advances in securing certificate issuance and verification, the TLS PKI does not sufficiently incentivize careful identity verification by CAs during certificate issuance or provide CA acco...

This paper analyses the determinants of variation in the yield spread (credit spread) between government bonds and corporate bonds in Japan's bond market after 1997. The authors conduct empirical tests on the relationship between credit spreads and several economic and financial variables. A key finding is that default risk and the overall financial situation in Japan were the most significant ...

In this paper we study risk and liquidity management decisions within an insurance firm. Risk management corresponds to decisions regarding proportional reinsurance, whereas liquidity management has two components: distribution of dividends and costly equity issuance. Contingent on whether proportional or fixed costs of reinvestment are considered, singular stochastic control or stochastic impu...

Inflation-protected securities are bonds with unique investment characteristics. These securities represent a relatively new type of financial asset in the United States, where the government first issued Treasury Inflation-Indexed Securities (also called Treasury inflation-protected securities, or TIPS) in January 1997. The TIPS market has experienced rapid growth: Its total value had climbed ...

BACKGROUND Medical records are kept in the interest of both the patient and clinician. Proper filing of patient's medical records ensures easy retrieval and contributes to decreased patient waiting time at the hospital and continuity of care. This paper reports on an intervention study to address the issue of misfiling and multiple patient folders in a health facility. DESIGN Intervention stu...

Governments borrow funds to finance the excess of cash payments or interest payments over receipts, usually by issuing fixed income debt and index-linked debt. The goal of this work is to propose a stochastic optimization-based approach to determine the composition of the portfolio issued over a series of government auctions for the fixed income debt, to minimize the cost of servicing debt whil...

The issuance of Family Cards for unregistered marriages submitted by the Director General Population and Civil Registry Ministry Home Affairs has caused a polemic in Indonesian positive law, because statement is not accordance with regulations Law Number 1 1974. In this regulation it been stated that are considered valid State if carried out religion registered an authorized official, reason, m...