In this paper, the dynamics of Standard and Poor's 500 (S&P 500) stock price index is analysed within a time-frequency framework over a monthly period 1791:08–2015:05. Using the Empirical Mode Decomposition technique, the S&P 500 stock price index is divided into different frequencies known as...

Northeastern region of India is basically a developing region contributing 2.54% of the country’s GDP. The factors that comprises of the state gross domestic product (SGDP) are agricultural, allied activities, manufacturing, industry and services. The basic objective of the paper is to find...