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The publication can be exported in the following formats: APA (American Psychological Association) reference format, IEEE (Institute of Electrical and Electronics Engineers) reference format, BibTeX and RIS.

Export Reference (APA) 
Zheng, H., Roseta-Palma, C. & Ramalho, J.J.S. (2019). A stochastic frontier analysis: how is directed technological change biased at macro level?. INFER Workshop: Economic Development thinking the Environment.
Export Reference (IEEE) 
H. Zheng et al.,  "A stochastic frontier analysis: how is directed technological change biased at macro level?", in INFER Workshop: Economic Development thinking the Environment, Coimbra, 2019
Export BibTeX 
@misc{zheng2019_1775150897741,
	author = "Zheng, H. and Roseta-Palma, C. and Ramalho, J.J.S.",
	title = "A stochastic frontier analysis: how is directed technological change biased at macro level?",
	year = "2019",
	howpublished = "Digital",
	url = "http://www.uc.pt/en/feuc/wsinfer2019"
}
Export RIS 
TY  - CPAPER
TI  - A stochastic frontier analysis: how is directed technological change biased at macro level?
T2  - INFER Workshop: Economic Development thinking the Environment
AU  - Zheng, H.
AU  - Roseta-Palma, C.
AU  - Ramalho, J.J.S.
PY  - 2019
CY  - Coimbra
UR  - http://www.uc.pt/en/feuc/wsinfer2019
ER  -