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Real Wage as Determinant of Labour Productivity in the Mexican Tourism
Juan Gabriel Brida,Edgar J,Sanchez Carrera,Wiston Adri?n Risso 세계문화관광학회 2008 Conference Proceedings Vol.9 No.0
The main objective of the present paper is to study the effects of the real wage in the labour productivity of the Mexican Tourism sector. Using yearly data from 1970 to 2004, we find a co-integration relationship showing that average labour productivity depends positively on the real wage and the long-run productivity-wage elasticity is 0.73. Further analysis shows that real wage is weakly exogenous and causes the productivity, in addition, the impulse-response function shows that a positive shock in the real wage produces a small negative effect in productivity for two years and later a great positive productivity.
On the capacity of a SIM-based cooperative NLOS UVC system with best relay selection
Garg Kamal K.,Shaik Parvez,Sharma Rachna,Brida Peter,Krejcar Ondrej,Bhatia Vimal 한국통신학회 2024 ICT Express Vol.10 No.2
Ultraviolet communication (UVC) is a promising technology due to its ability to operate in non-line-of-sight (NLOS) mode thereby eliminating the pointing acquisition and tracking (PAT) requirement as needed by infrared and visible light communications. However, NLOS UVC suffers from very high attenuation and turbulence-induced fading when operated over a long distance. Due to these limitations, the existing literature on the NLOS UVC is mostly restricted to short-distance communications only. Therefore, this paper addresses these challenges by proposing an outdoor subcarrier-intensity-modulation (SIM) based multi-relay cooperative communication system employing the best relay selection and decode-and-forward (DF) relaying protocol. The turbulence-induced fading is modelled using lognormal distribution under weak atmospheric turbulence conditions. We derive novel closed-form analytical expressions of outage probability and ergodic capacity. Correctness of the derived analytical expressions is validated through numerical simulations.
Metrology for industrial quantum communications: the MIQC project
Rastello, M L,Degiovanni, I P,Sinclair, A G,K?ck, S,Chunnilall, C J,Porrovecchio, G,Smid, M,Manoocheri, F,Ikonen, E,Kubarsepp, T,Stucki, D,Hong, K S,Kim, S K,Tosi, A,Brida, G,Meda, A,Piacentini, F,Tra BUREAU INTERNATIONAL DES POIDS ET MESURES 2014 METROLOGIA -BERLIN- Vol.51 No.6