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Ekkehardt Ernst, Rossana Merola and Daniel Samaan

channels ( Acemoglu and Restrepo, 2017 ; Chiacchio et al., 2018 ; Vivarelli, 2014 ). First, new technologies lead to a direct substitution of jobs and tasks currently performed by workers (the displacement effect); second, there is a complementary increase in jobs and tasks necessary to use, run, and supervise the new machines (the skill complementarity effect); and third, there is a demand effect both from lower prices and a general increase in disposable income in the economy due to higher productivity (the productivity effect). Typically, these effects do not

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Viktorija Bobinaite and Jānis Zuters

R eferences Abedinia, O., Amjady, N., Shafie-khah, M. & Catalão J. P. S. (2015). Electricity price forecast using Combinatorial Neural Network trained by a new stochastic search method. Energy Conversion and Management , 105, 642–654. http://dx.doi.org/10.1016/j.enconman.2015.08.025 Abedinia O. Amjady N. Shafie-khah M. Catalão J. P. S. 2015 Electricity price forecast using Combinatorial Neural Network trained by a new stochastic search method Energy Conversion and Management 105 642 654 http://dx.doi.org/10.1016/j