Martínez-Ventura, Constanza
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- Publicación |AbstractWe examine the optimal design of central bank digital currencies (CBDCs) by focusing on two key features: the anonymity-security trade-off and the remuneration (i.e., interest rate). Building on the extended model by Agur et al. (2022), which accounts for potential negative externalities…
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This document reviews the potential macroeconomic effects of issuing a central bank digital currency (CBDC) for the use of individuals and businesses. A careful selection of the architecture, and the economic and technological design aspects of this digital form of central bank money…
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The concept of centrality has been widely used to monitor systems with a network structure because it allows identifying their most influential participants.This monitoring task can be difficult if the number of system participants is considerably large or if the wide variety of…
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This document studies the sources of liquidity used by financial entities that participate in the large-value payment system to meet their daily obligations. For this purpose, we design and implement an algorithm that breaks down the cash unit of these entities into different concepts of…
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The functioning of large-value payment systems (LVPSs) can be affected when some of its participants voluntarily decide to delay their payments until they can totally fund them with the payments received from other participants. This behaviour, known as the free-rider problem, can cause an under…
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We implement a modified version of DebtRank, a measure of systemic impact inspired in feedback centrality, to recursively measure the contagion effects caused by the default of a selected financial institution. In our case contagion is a liquidity issue, measured as the decrease in financial…
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Large value payment flows can be disrupted by several types of failures such as operational incidents, problems experienced by the administrator of the payments settlement system, outages in the communications networks and the inability of a participant to submit payments due to insufficient…
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Under the view that the market is a weighted and directed network (Barabási, 2003), this document is a first attempt to model the Colombian money market within a spatial econometrics framework. By estimating two standard spatial econometric models, we study the cost of collateralized borrowing (…
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