Econometric model formation is the systematic process of translating an economic theory into a quantitative (statistical) model, estimating it using data, testing its validity, and using it for economic analysis and decision-making. Steps of Econometric Model Formation 1. Existing Theories (Previous Studies) This is the starting point of econometric analysis. Economic theories and earlier empirical studies suggest relationships among variables. These theories guide the choice of dependent and...

Often, students ask the question: Do all methods of Gross Domestic Product (GDP) calculation provide the same value? The answer to the question is: Theoretically, Yes and actually, No . The reason for the difference between the values of different methods of GDP is the statistical discrepancy. Statistical Discrepancy is the difference in national income accounting because the same economic activity is estimated using different data sources or methods . It reflects measurement errors, not...

Exploratory Data Analysis (EDA)  is the first step in data analysis, aimed at understanding the structure, patterns, and anomalies in data before applying formal statistical models. A frequency table is one of the core tools of EDA. How Frequency Tables Support EDA 1️⃣ Understanding Data Structure EDA begins with knowing what the data looks like . Frequency tables summarise raw data into counts and classes, helping analysts quickly understand: Range Distribution Concentration of values 2️⃣...