3,533 research outputs found

    The Terminations Premium in Mortgage Coupon Rates: Evidence on the Integration of Mortgage and Bond Markets

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    During the Last three years mortgage rates have risen relative to yields on comparable maturity bonds. The questions addressed in the present paper are what is the extent of this increase and to what is it attributable? We find the increase between early 198 and early 1981 in coupon rates on GNMA mortgage pools relative to ''the" rate on a comparable portfolio of Treasury bonds to be about 100 basis points. We attribute the increase to a rise in the terminations premia built into mortgage coupon rates. The premia is the price borrowers are charged for the option to repay the mortgage when it is to their benefit (to refinance if interest rates decline). This price has risen in response to an increase in interest rate uncertainty. Our empirical results suggest that the increase is due to both greater uncertainty regarding the inflation premium in interest rates and the lesser weight the monetary authorities give to interest rate stability in their deliberations.

    Savings and Loan Usage of the Authority to Invest in Corporate Debt

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    This paper examines the portfolio choice of savings and loan associations (SLAS) between mortgages and bonds, first in a certainty world and then under uncertainty. Differences in servicing and transactions costs, in default losses, in tax treatment and in the timing of payments are accounted for in a certain world. SLAs are seen as investing in bonds only if the demand for mortgage funds is sufficiently weak that more profitable SLAs compete away some of the value of their tax preference by bidding down mortgage rates; in this case less profitable SLAs would find corporate debt attractive. In an uncertain world, mortgages will command a premium over bonds to compensate for the prepayment option extended mortgage borrowers. The appropriate value of this premium depends on uncertainty regarding future interest rates and aversion to this uncertainty. SLAs that view future interest rates as more uncertain than the market does generally, or who are more averse to this uncertainty, will require an options premium greater than that determined in the market. Thus they will find corporate debt to be attractive relative to bonds, even when the demand for mortgage funds is strong and their mortgage tax preference is not competed away.

    Garigliano nuclear power plant: seismic evaluation of the turbine building

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    The Italian Garigliano Nuclear Power Plant (NPP) started its energy production in 1963. At present it is in the decommissioning stage. In order to get a proper management of the radioactive waste that will be produced during the dismantling operations it has been considered convenient to convert the turbine building of the plant into a temporary waste repository. This decision posed a remarkable seismic safety assessment issue. As a matter of fact, the challenge was to extend, in satisfactory safety conditions, the use of an important facility that has reached the end of its designed lifetime and to have this extended use approved by nuclear safety agencies. In this context many tasks have been accomplished, of which the most important are: (a) a new appraisal of site seismic hazard; (b) the execution of many investigations and testing on the construction materials; (c) the set up of a detailed 3D finite element model including the explicit representation of foundation piles and soil; (d) consideration of soil structure kinematic and dynamic nteraction effects. This paper describes the adopted seismic safety assessment criteria which are based on a performance objectives design approach. While performance based design is the approach currently recommended by European Regulations to manage seismic risk and it is fully incorporated in the Italian code for conventional buildings, bridges and plants, NPP are not explicitly considered. Therefore it was necessary to delineate a consistent interpretation of prescribed rules in order to properly select the maximum and operating design earthquakes on one side and corresponding acceptable limit states on the other side. The paper further provides an outline of the numerical analyses carried out, of the main results obtained and of the principal retrofitting actions that will be realized

    The Economics of Mortgage Terminations: Implications for Mortgage Lenders and Mortgage Terms

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    The paper begins with the development of models explaining the mortgage refinancing and assumption decisions of households Having identified the economic variables influencing these decisions, we then simulate the models for different values to determine under what conditions households will refinance or assume. Finally, we draw some implications of these results for: (1) the impact of a decline in mortgage rates on the asset portfolio yields of mortgage lending institutions and (2) the effect of the observed rise in interest rate volatility, including the optimal terminations response of mortgage borrowers, on the terms of the mortgage contract and the returns to mortgage lenders on recently issued mortgage loans.

    Mandatory vaccinations in European countries, undocumented information, false news and the impact on vaccination uptake: the position of the Italian pediatric society.

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    BACKGROUND: High rates of vaccination coverage are important in preventing infectious diseases. Enforcing mandatory vaccinations is one of the strategies that some Countries adopted to protect the community when vaccination coverage is not satisfactory. In Italy, in 2017 vaccination against diphtheria, tetanus, pertussis, hepatitis B, poliovirus, Haemophilus influenzae type b, measles, mumps, rubella and varicella became compulsory in childhood. In order to contrast vaccination policies, anti-vaccination campaigns contribute to the spread of fake news. Among them, there is the false information that Italy is the only one country with mandatory vaccination policy. Aim of our study is confronting vaccination policies in children under 18 months against among different European countries for the following vaccines: diphtheria, tetanus, pertussis, hepatitis B, poliovirus, Haemophilus influenzae type b, measles, mumps, rubella and varicella. METHODS: Information on policies of mandatory or recommended vaccinations of the European Countries were gathered by ECDC and compared to the Italian one. RESULTS: European Countries recommend or contemplate compulsory vaccines. Among them, eleven Countries (35.4%) have mandatory vaccinations for at least one out of diphtheria, tetanus, pertussis, hepatitis B, poliovirus, Haemophilus influenzae type b, measles, mumps, rubella and varicella vaccine. CONCLUSION: Not only in Italy, vaccination against diphtheria, tetanus, pertussis, hepatitis B, poliovirus, Haemophilus influenzae type b, measles, mumps, rubella and varicella is mandatory in children under 18 months. Other European countries adopted compulsory policies in order to prevent the spread of infectious diseases and to protect the community

    Londra si muove bene

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    Analisi delle politiche di tassazione veicolare a Londr

    Foreword: Biomarkers and surrogate endpoints in ophthalmic clinical research

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    Imaging of meibomian glands: from bench to bedside and back

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