Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Sebi John
Imperfect substitutes, also known as close substitutes, have a lesser level of substitutability, and therefore exhibit variable marginal rates of substitution along the consumer indifference curve. Sellers of close substitute goods are therefore in indirect competition with each other. Beverages are an example.