Analysis and understanding of the national innovation system can help policy-makers to identify strategies for improving innovative performance and overall competitiveness of the national economy. Nowadays we know too little about how to identify and measure specific problems in the system (if...

This toolkit provides a practical guide to collecting, validating, and reporting Medicaid managed care encounter data.

This report uses Medicaid administrative records rather than survey data to examine children's movement between Medicaid and the Children's Health Insurance Program from 2005 through 2007. These data capture true changes in eligibility and provide a better source for estimating how often...

This issue brief provides an assessment of the selected other services, inpatient (IP), and prescription drug (RX) encounter data for enrollees in comprehensive managed care during 2008. It summarizes the availability, completeness, quality, and usability of the encounter data for comprehensive...

The ever present possibility of confounding factors creates difficulties in identifying causal effects on the basis of observational data. A large number of approaches to resolve this difficulty have been proposed; see Zaman (2010) for a recent survey. One involves using a "natural experiment"...

The ever present possibility of confounding factors creates difficulties in identifying causal effects on the basis of observational data. A large number of approaches to resolve this difficulty have been proposed; see Zaman (2010) for a recent survey. One involves using a "natural experiment"...