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Volume 14, Emitir 1 (2023)

Mini revisão

Uncertainty in the Economy and in Policy: Aggregate Export Dynamics and the Importance of Agreements

Weikun Liang*

Uncertainty is a prevalent feature of the economy and policymaking process. In economic terms, uncertainty refers to the degree of variability and unpredictability in economic outcomes. In the policy realm, uncertainty refers to the unpredictability of policy outcomes and the complexity of the policymaking process. This article discusses the sources and effects of uncertainty in the economy and policymaking, as well as the challenges and strategies for managing uncertainty.

Mini revisão

Investment in Public Infrastructure and Environmental Policies in Business Cycles

Ragupathy Venkatachalam*

Investment in public infrastructure and environmental policies are two key areas that are critical for sustainable economic growth and development. Public infrastructure includes transportation, communication, and energy networks, while environmental policies focus on the protection and preservation of natural resources and ecosystems. Both of these areas are interrelated and play a vital role in promoting economic growth, social well-being, and environmental sustainability.

Análise

A Precise Procedure for Evaluating the Equality of Many Groups in Panel Data Models

Gerhard Krug*

Panel data models are used to analyse data that contains observations on multiple individuals or groups over a period of time. These models are useful in many fields, including economics, social sciences, and medical research. One important issue that arises in panel data models is the problem of evaluating the equality of many groups. In this article, we will discuss a precise procedure for evaluating the equality of many groups in panel data models. The problem of evaluating the equality of many groups arises when we want to compare the means or other statistics of multiple groups over time. For example, suppose we have data on the test scores of students in different schools over a period of several years. We might want to compare the average test scores of students in different schools to see if there are any significant differences between them. However, we may also want to see if these differences are consistent over time, or if they change from year to year.

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