select three articles each from different recent issues of economic journal classify each article according to types of research reported in the article

Unfortunately, as an AI language model, I do not have real-time access to recent articles from economic journals. However, I can provide you with examples of different types of research typically found in economic journals, and then you can classify hypothetical articles based on those types.

1. Hypothetical Article 1:
Title: "The Impact of Trade Liberalization on Economic Growth: A Comparative Study of Developing Countries"
Research Type: Empirical Research
Explanation: This article uses empirical methods to investigate the relationship between trade liberalization and economic growth. It collects and analyzes data on multiple developing countries to draw conclusions about the impact of trade policies on their economic growth.

2. Hypothetical Article 2:
Title: "The Effects of Income Inequality on Social Welfare: A Theoretical Analysis"
Research Type: Theoretical Research
Explanation: This article presents a theoretical analysis of the effects of income inequality on social welfare. It develops a model based on economic theories and principles to explore the potential consequences of income inequality and proposes policy recommendations.

3. Hypothetical Article 3:
Title: "Examining the Role of Financial Development in Economic Crises: A Case Study of the 2008 Global Financial Crisis"
Research Type: Case Study
Explanation: This article conducts a case study on the role of financial development in economic crises, focusing on the impacts and mechanisms involved in the 2008 Global Financial Crisis. It analyzes various factors leading to the crisis, assesses the effectiveness of policy responses, and draws lessons for financial regulations.

Remember, these examples are hypothetical, and you will need to refer to actual economic journals to find recent articles to classify based on their specific research types.