August 2026 – Nirmal's Blog

Methods/Techniques of Sampling

While choosing the sample from the population under study area, investigator or researcher can use various techniques of sampling which depends upon a) nature and objective of study and (b)…

Nirmal Tiwari August 29, 2026

Economics XI

Reasons behind downward sloping demand curve

Generally, the demand curve is downward sloped (i.e, there is negative relationship between Price of a good and Quantity Demanded of that good) due to the following reasons : 1.…

Nirmal Tiwari August 29, 2026

Economics XII

methods of data collection

https://nirmaltiwariblog.com/wp-content/uploads/2026/08/collection-of-data.pptx

Nirmal Tiwari August 25, 2026

Economics XII

statistics:singular and plural definition, importance and limitations

singular definition: science of collection, presentation, analysis and interpretation of numerical facts

Nirmal Tiwari August 25, 2026

Economics XI

Introduction to Macroeconomics: open and closed economy; macroeconomic variables

macroeconomics is the branch of economics that deals with the economy as a whole. it deals with the aggregate economic variables ..............

Nirmal Tiwari August 25, 2026

Economics XII

Price and output determination under Monopoly market

monopoly market is such type of market structure where there is single seller, unique product and barriers to entry..............

Nirmal Tiwari August 25, 2026

Economics XI

Cross Elasticity of Demand

Cross elasticity of demand is defined as the percentage change in quantity demanded of good X due to some given percentage change in price of other related good Y, other…

Nirmal Tiwari August 20, 2026

Economics XI

Income Elasticity of Demand

Income elasticity of demand is defined as the percentage change in quantity demanded of a good due to some given percentage change in income of the consumer, other things remaining…

Nirmal Tiwari August 20, 2026