Your English writing platform
Discover LudwigExact(60)
This paper extends the GMM approach of adjusting covariate measurement error to unbalanced panel data.
The paper uses an unbalanced panel of 274 regions over 8 years to estimate a regional knowledge production function with fixed-effects.
And it's common for researchers to have an unbalanced panel dataset in practice (for example, GDP data could be missing in different years for different countries if you check on the World Bank website).
We explore the method in a large-n, unbalanced panel setting with George W. Bush's approval data, a small-n time series with median DW-NOMINATE scores for each Congress over time, and a series of simulations.
This is illustrated with an unbalanced panel of bilateral trade between the triad (EU15, USA and Japan) economies and their 57 most important trading partners over the period 1986–1997.
Using an unbalanced panel of almost 11,000 firm-years from 1997 to 2006, we show that greater fluctuations in the firm's R&D expenditure over time are associated with higher firm growth.
The empirical analysis is based on an unbalanced panel of firm-level data from four waves of the UK Community Innovation Survey (CIS) between 2002 and 2010 merged with data from the UK Business Structure Database.
This was therefore an unbalanced panel data set.
Remember that an unbalanced panel of firms is used.
However, this would be an unbalanced panel data.
Results for the unbalanced panel estimations are available from the authors on request.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com