This paper reports on the construction of a new database – called TM-Link – that contains 12 million trade mark applications and registrations across six jurisdictions – Australia, Canada, New Zealand, the United States, the United Kingdom and the European Union. A new feature of the...

Purpose – The purpose of this investigation is to identify and examine the tactics and upward mobility strategies utilized by individuals who advanced into leadership positions. Design/methodology/approach – Drawing on both narrative, consensual qualitative research (CQR) and empirical...

Western sandpiper (Calidris mauri) chicks are precocial and leave the nest shortly after hatch to forage independently. Chicks require thermoregulatory assistance from parents (brooding) for 5--7 days posthatch, and parents facilitate chick survival for 2--3 weeks posthatch by leading and...

The last few years have seen both a significant shift in EU state aid policy towards a more sophisticated economic approach and a great enrichment of the economic literature on state aid. This paper examines the control of state aid in the EU in the light of the new literature. It begins with a...

The Kauffman School is a charter school in Kansas City, Missouri that opened in 2011 to serve middle and high school students from the city’s most economically disadvantaged neighborhoods. This report evaluates the effectiveness of the School at improving student achievement, attendance,...

This report describes Mathematica's work in developing value-added models (VAMs) that estimate teachers’ and schools’ contributions to the achievement of their students, and assisting the Pittsburgh Public Schools in developing performance-based pay plans for teachers and principals.

At the request of Pittsburgh Public Schools and the Pittsburgh Federation of Teachers, Mathematica has developed value-added models that aim to estimate the contributions of individual teachers and schools to the achievement of their students.

This report describes the value-added models (VAMs) created for the Pittsburgh Public Schools and the Pittsburgh Federation of Teachers. Pittsburgh's VAMs use not only state assessments but also course-specific assessments, student attendance, and course completion rates, aiming to produce...