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| 3:00–4:00 | The latest in time series with Stata: ivsvar and lpirf
Abstract:
The instrumental variables structural vector autoregression
(IVSVAR) method is an alternative to the traditional short-run
SVAR that allows us to identify and track the impact of one or
more shocks on a system of autoregressive equations. Linear
projection impulse–response functions (LPIRF) are an alternative
to the traditional IRF that directly estimates the impact of a
shock, rather than calculating the impact from parameters
estimated by a VAR or an SVAR. The Stata commands ivsvar and
lpirf implement these methods and are among the newest
tools for time series.
Alvaro Fuentes Higuera
StataCorp LLC
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| 4:00–5:00 | Meta-analysis of a proportion and multilevel meta-analysis in Stata 18
Abstract:
Meta-analysis is a statistical technique for synthesizing the
results of several studies. For example, suppose several studies
have reported different estimates of the efficacy of a
tuberculosis vaccine; meta-analysis allows us to synthesize the
results of all the studies in order to obtain a single value of
the vaccine's efficacy. Additionally, if the effect sizes are
grouped by level, we can take into account the dependence
between grouped observations to build more accurate inferences.
I will present how to perform a proportion meta-analysis and a
multilevel meta-analysis in Stata 18.
Gabriela Ortiz
StataCorp LLC
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| 5:00–6:00 | Open panel discussion with Stata developers
Contribute to the Stata community by sharing your feedback with StataCorp's developers. From feature improvements to bug fixes and new ways to analyze data, we want to hear how Stata can be made better for our users.
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| 3:00–4:00 | How do payment schemes affect access to, and expenditure on, healthcare? Evidence from the Colombian health system
Abstract:
We studied the effects of the transition from a
retrospective to a prospective payment scheme for medicines to
health insurers using data on medicines sold in Colombia between
2011 and 2018. We compared over time the results of included
medicines with those that were not and used
difference-in-differences models with stepped treatment to
estimate the effects on the mean and distribution of prices,
quantities, and expenditures on medicines. The results indicate
that the change to a prospective payment scheme increases the
quantities of low-selling medicines and decreases the prices of
included medicines. The effect on the distribution of total
expenditure on medicines is mixed: expenditures increase in the
lowest percentiles but decrease in the highest percentiles.
Significant growth in the prices and quantities of non-UPC
medicines suggests strategic responses by insurers.
Camilo Arias
Universidad de la Sabana
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| 4:00–5:00 | Epidemiology - Back to basics: Stata in everyday life
Mario Martínez
UNAM and PAHO/WHO
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| 3:00–4:00 | Stata's contributions to data quality, security, and disclosure for government entities
Abstract:
In recent years, Latin American government entities have
strengthened their information management processes in areas
such as security, interoperability, transparency, and disclosure,
seeking to formalize and standardize minimum
quality criteria for data processing and to
facilitate the public use of data through open data initiatives
and periodic reports. In this presentation, I will address the
importance of having an adequate data management process as a
preliminary step for any type of analysis, the particular
challenges that these entities face in managing their data, and
the tools that Stata has to support analysts in this task.
Erika Laitón
Software Shop
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| 4:00–5:00 | Analysis of the Social Protection survey through panel data
Mario Vera
Financial Market Commission of Chile
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| 5:00–6:00 | The efficiency of financial markets: A perspective from the adaptive markets hypothesis
Andrés Cruz
University of the Andes
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The logistics organizer for the 2024 Colombian Stata Conference is Software Shop, the official distributor of Stata in Argentina, Bolivia, Chile, Colombia, Costa Rica, Ecuador, Mexico, Peru, and Venezuela.
View the proceedings of previous Stata Conferences and Users Group meetings.
