Indian Institute of Management Calcutta

About: Indian Institute of Management Calcutta is a education organization based out in Kolkata, India. It is known for research contribution in the topics: Supply chain & Emerging markets. The organization has 415 authors who have published 1354 publications receiving 21725 citations. The organization is also known as: IIMC & IIM Calcutta.

Mundell-Fleming with Stock Market and Endogenous Risk Premium

Abstract: In the textbook Mundell-Fleming analysis of an open economy in the short run interest bearing bonds are the only assets and expectation about exchange rate movements is usually taken to be static. This is not a good description of the Indian economy where capital inflow in recent years has predominantly taken the form of portfolio investment in stocks and it is driven very strongly by expectations of capital gains. The present exercise is a reformulation that departs from the standard model by replacing (a) the home bond by home stock and (b) static expectations by regressive (stabilizing) expectations. Country risk is captured in the standard model through the introduction of risk premium which is taken as an exogenous parameter. We have made the risk premium endogenous by making it dependent on the country’s current account deficit and the government’s budget deficit. These modifications produce some new results that do not hold in the textbook version.

Teaching Economics in a Management School: Some Personal Quandaries

Abstract: The paper looks into the issue of the relationship between economics and management studies in a management school. Instead of attempting any grand view, the paper seeks to look into three distinct questions viz.,: (a) usefulness of learning economics in a management school; (b) utility of case studies as a pedagogical devise in the study of economics; and (c) relationship between finance and economics as distinct disciplines. The broad inferences of the paper are the following. First, while learning economics would be of use to a student of management as a background, its usage and application need not be exaggerated in the sense that knowledge and running of a corporation are quite different from knowledge/running of the whole economy. Second, while traditionally economics is taught in a deductive manner, usage of case studies to teach economics could be worthwhile in a management school. Third, despite the close links/parentage, finance as discipline has been able to establish its adulthood from economics; however, the recent disjoint between finance and economics have turned costly for both to the disciplines.

A one-pass method of MIP registration by WLAN host through GPRS network

Abstract: This paper proposes a new technique for Mobile IP (MIP) registration by WLAN host (WH) through GPRS network. The home agent (HA) of WH resides in external IP network. The gateway GPRS support node (GGSN) provides foreign agent (FA) functionality for WH in GPRS. After successful attach with GPRS network, WH needs two mandatory passes for MIP registration with HA. First it establishes PDP (packet data protocol) context in GPRS network and then it sends MIP registration request (MRR) to FA at GGSN. This causes a large delay for handoff from WLAN to GPRS. We propose a one-pass technique of MIP registration through GPRS network to reduce the handoff delay. We transport MIP-registration request of WH in the information field of activate-PDP-context request message to GGSN. Thus MIP registration message reaches GGSN before completion of PDP context establishment. This technique reduces the control signaling for handoff from WLAN to GPRS. We observed from simulated results that proposed one-pass technique reduces handoff delay by 18% compared to handoff delay in two-pass method.

Design of 1-FT Communication Network under Budget Constraint

Abstract: This paper considers the design of reliable backbone networks under certain real-life constraints of cost and fault tolerance. The constraints are: keeping the cost of the links with in a predefined budget; and keeping the topology 1-FT (fault-tolerant) to 1-link failure. A network topology is said to be 1-FT iff every pair of nodes is reachable from all other nodes for 1 link failure. i.e., the graph remains connected. Formally, a graph G is 1-FT iff all the graphs, which have one less link than graph G, are connected. That is, 1-FT network can survive 1-link failure in the network. Therefore, the problem is to find a reliable network topology for a set of nodes whose total link cost is minimized subject to constraints that the backbone network can accommodate a 1-link failure under a given budget. The problem is NP-hard i.e. there exists no polynomial time algorithm to solve this problem. In this paper we have proposed an efficient method based on genetic algorithm to solve the problem. In our method we have represented a backbone layout by means of an upper triangular matrix by concatenating a row with its previous rows. The genetic operators iteratively attempt to find a more cost-effective and reliable network layout. Through the extensive simulation we show that our proposed genetic algorithmic approach can efficiently find a sub-optimal solution for most of the cases.