scholarly journals El comercio mundial y la crisis de COVID-19: el papel de las cadenas globales de valor en la propagación de shocks

Author(s):  
Elvira Prades-Illanes ◽  
Patrocinio Tello-Casas
Keyword(s):  

En este artículo se analiza la evolución del comercio internacional tras la pandemia de COVID-19 y, en particular, el papel de las cadenas globales de valor en la propagación de los efectos económicos del shock. Para valorar este canal de propagación hacemos uso de la base de datos EUREGIO, una tabla input-output global con dimensión regional a nivel de los países de la Unión Europea (UE). Con la información de las relaciones insumo-producto, y atendiendo a diferentes niveles de agregación, tanto a nivel sectorial, como por región-país, se explora la propagación de perturbaciones, en particular, de demanda, a lo largo de la cadena de producción en los cuatro mayores países de la UE.

1970 ◽  
Vol 15 (2) ◽  
pp. 115, 118
Author(s):  
WILLIAM E. COLEMAN

Author(s):  
Vinodhini M.

The objective of this paper is to develop a Direct Model Reference Adaptive Control (DMRAC) algorithm for a MIMO process by extending the MIT rule adopted for a SISO system. The controller thus developed is implemented on Laboratory interacting coupled tank process through simulation. This can be regarded as the relevant process control in petrol and chemical industries. These industries involve controlling the liquid level and the flow rate in the presence of nonlinearity and disturbance which justifies the use of adaptive techniques such as DMRAC control scheme. For this purpose, mathematical models are obtained for each of the input-output combinations using white box approach and the respective controllers are developed. A detailed analysis on the performance of the chosen process with these controllers is carried out. Simulation studies reveal the effectiveness of proposed controller for multivariable process that exhibits nonlinear behaviour.


2012 ◽  
pp. 22-46
Author(s):  
Huong Nguyen Thi Lan ◽  
Toan Pham Ngoc

The purpose of this study is to evaluate the impact of public expenditure cuts on employment and income to support policies for the development of the labor mar- ket. Impact evaluation is of interest for policy makers as well as researchers. This paper presents a method – that is based on a Computable General Equilibrium model – to analyse the impact of the public expenditure cuts policy on employment and income in industries and occupations in Vietnam using macro data, the Input output table, 2006, 2008 and the 2010 Vietnam Household Living Standard Survey.


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