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The Ribosomal Database Project-II (RDP-II) pro-vides data, tools and services related to ribosomal RNA sequences to the research community. Through its website (http://rdp.cme.msu.edu), RDP-II offers aligned and annotated rRNA sequence data, analysis services, and phylogenetic inferences (trees) derived from these data. RDP-II release 8.1 contains 16 277(More)
The Ribosomal Database Project (RDP) is a curated database that offers ribosome data along with related programs and services. The offerings include phylogenetically ordered alignments of ribosomal RNA (rRNA) sequences, derived phylogenetic trees, rRNA secondary structure diagrams and various software packages for handling, analyzing and displaying(More)
  • Christophette Blanchet-Scalliet, Nicole El Karoui, Lionel Martellini, Sanjiv Das, Peter Demarzo, Steve Evans +8 others
  • 1995
An investment horizon is in practice not frequently known with certainty at the initial investment date. This paper addresses the problem of pricing and hedging a random cash-‡ow received at a random date in a general stochastic environment. We …rst argue that speci…c timing risk is induced by the presence of an uncertain time-horizon if and only if the(More)
  • Christophette Blanchet-Scalliet, Nicole El Karoui, Monique Jeanblanc, Lionel Martellini, Nils Hakansson, Terry Marsh +4 others
  • 2003
Many investors do not know with certainty when their portfolio will be liquidated. Should their portfolio selection be in ‡uenced by the uncertainty of exit time? In order to answer that question, we consider a suitable extension of the familiar optimal investment problem of Merton (1971), where we allow the conditional distribution function of an agent's(More)
  • Noël Amenc, Lionel Martellini, Vikas Agarwal, Hossein Kazemi, François-Serge Lhabitant, Terry Marsh +3 others
  • 2002
This paper attempts to evaluate the out-of-sample performance of an improved esti-mator of the covariance structure of hedge fund index returns, focusing on its use for optimal portfolio selection. Using data from CSFB-Tremont hedge fund indices, we …nd that ex-post volatility of minimum variance portfolios generated using implicit factor based estimation(More)
It is assumed that higher quality recreation facilities promote physical activity and serve communities better. We tested this assumption by comparing changes in the use of an expanded and renovated skate park (a facility for skateboarding) and a modernized senior citizen's center to two similar facilities that were not refurbished. The skate park was(More)
  • David Tien, Ash Alankar, John Briginshaw, Mintao Fan, Jacob Sagi, Hayne Leland +4 others
  • 2002
This paper develops and tests a model of unobservable risk premia in the foreign exchange market. Risk premia in our model are driven by non-marketable income shocks which risk averse agents attempt to hedge by trading foreign currency. We test our model using data on hedging demand in currency futures and find that our proxy for risk premia explains(More)
BACKGROUND Faculty, students, and alumni in a university-based kinesiology program developed an innovative model for health promotion practice by partnering with the local park administration in San Fernando, California to offer these exercise classes for free in a low-income, predominantly Latino neighborhood park. The classes were taught by students as(More)
This document and trademark(s) contained herein are protected by law. This representation of RAND intellectual property is provided for noncommercial use only. Unauthorized posting of this publication online is prohibited. Permission is given to duplicate this document for personal use only, as long as it is unaltered and complete. Permission is required(More)
Spanish/English bilingual senior project manager with extensive experience managing randomized controlled trials and quasi-experimental studies, and proficient in qualitative analysis and community based participatory research. Tasks include: • Manage local and national scale projects with large data collection components across 25 cities and 200+ sites •(More)