The Experts below are selected from a list of 11187 Experts worldwide ranked by ideXlab platform
Patricia M Danzon - One of the best experts on this subject based on the ideXlab platform.
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the impact of price regulation on the launch delay of new drugs evidence from twenty five major markets in the 1990s
Health Economics, 2005Co-Authors: Patricia M Danzon, Richard Y Wang, Liang WangAbstract:We analyze the effect of price regulation on delays in launch of new drugs. Because a low price in one market may 'spill-over' to other markets, through parallel trade and external referencing, manufacturers may rationally prefer longer delay or non-launch to accepting a relatively low price. We analyze the launch in 25 major markets, including 14 EU countries, of 85 new chemical entities (NCEs) launched between 1994 and 1998. Each NCE's expected price and market size in a country are estimated using lagged average price and market size of other drugs in the same (or related) therapeutic class. We estimate a Cox proportional hazard model of launch in each country, relative to first global launch. Only 55% of the potential launches occur. The US leads with 73 launches, followed by Germany (66) and the UK (64). Only 13 NCEs are launched in Japan, 26 in Portugal and 28 in New Zealand. The results indicate that countries with lower expected prices or smaller expected market size have fewer launches and longer launch delays, controlling for per capita income and other country and firm characteristics. Controlling for expected price and volume, country effects for the likely parallel export countries are significantly negative.
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the impact of price regulation on the launch delay of new drugs evidence from twenty five major markets in the 1990s
National Bureau of Economic Research, 2003Co-Authors: Patricia M Danzon, Richard Y Wang, Liang WangAbstract:This study analyzes the effect of pharmaceutical price regulation on delays in new drug launches. Because low price in one market may 'spill-over' to others, though parallel trade and external referencing, manufacturers may rationally prefer longer delay or non-launch to accepting a low price. We use a Cox proportional hazard model to analyze the launch experience in 25 major markets of 85 new chemical entities (NCEs) launched in the UK or US between 1994 and 1998. There are 1,167 observed launches, or about 55% of the maximum. The US leads with 73 launches, followed by Germany (66) and the UK (64). Only 13 NCEs launched in Japan, 26 in Portugal and 28 in New Zealand. Countries with fewer launches also have longer average launch lags. The launch hazard is positively related to expected price and to expected volume, controlling for income per capita. The originator firm(s) characteristics, specifically, launch in home country and global experience, also significantly reduce launch delay. Within the EU, likely parallel export countries have the most negative effects. Our results suggest that countries with lower expected prices or smaller expected market size experience longer delays in new drug access, controlling for per capita income and other country and firm characteristics.
Liang Wang - One of the best experts on this subject based on the ideXlab platform.
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the impact of price regulation on the launch delay of new drugs evidence from twenty five major markets in the 1990s
Health Economics, 2005Co-Authors: Patricia M Danzon, Richard Y Wang, Liang WangAbstract:We analyze the effect of price regulation on delays in launch of new drugs. Because a low price in one market may 'spill-over' to other markets, through parallel trade and external referencing, manufacturers may rationally prefer longer delay or non-launch to accepting a relatively low price. We analyze the launch in 25 major markets, including 14 EU countries, of 85 new chemical entities (NCEs) launched between 1994 and 1998. Each NCE's expected price and market size in a country are estimated using lagged average price and market size of other drugs in the same (or related) therapeutic class. We estimate a Cox proportional hazard model of launch in each country, relative to first global launch. Only 55% of the potential launches occur. The US leads with 73 launches, followed by Germany (66) and the UK (64). Only 13 NCEs are launched in Japan, 26 in Portugal and 28 in New Zealand. The results indicate that countries with lower expected prices or smaller expected market size have fewer launches and longer launch delays, controlling for per capita income and other country and firm characteristics. Controlling for expected price and volume, country effects for the likely parallel export countries are significantly negative.
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the impact of price regulation on the launch delay of new drugs evidence from twenty five major markets in the 1990s
National Bureau of Economic Research, 2003Co-Authors: Patricia M Danzon, Richard Y Wang, Liang WangAbstract:This study analyzes the effect of pharmaceutical price regulation on delays in new drug launches. Because low price in one market may 'spill-over' to others, though parallel trade and external referencing, manufacturers may rationally prefer longer delay or non-launch to accepting a low price. We use a Cox proportional hazard model to analyze the launch experience in 25 major markets of 85 new chemical entities (NCEs) launched in the UK or US between 1994 and 1998. There are 1,167 observed launches, or about 55% of the maximum. The US leads with 73 launches, followed by Germany (66) and the UK (64). Only 13 NCEs launched in Japan, 26 in Portugal and 28 in New Zealand. Countries with fewer launches also have longer average launch lags. The launch hazard is positively related to expected price and to expected volume, controlling for income per capita. The originator firm(s) characteristics, specifically, launch in home country and global experience, also significantly reduce launch delay. Within the EU, likely parallel export countries have the most negative effects. Our results suggest that countries with lower expected prices or smaller expected market size experience longer delays in new drug access, controlling for per capita income and other country and firm characteristics.
Kamal Sarabandi - One of the best experts on this subject based on the ideXlab platform.
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a compact single conductor transmission line Launcher for telemetry in borehole drilling
IEEE Transactions on Geoscience and Remote Sensing, 2017Co-Authors: Mohammad S Amjadi, Kamal SarabandiAbstract:A very compact and conformal Launcher for single conductor transmission lines (SCTLs) at the HF-band is presented. Also the concept of using drill pipes as the conductor of SCTL is introduced for the first time to satisfy the need for cost-effective and real-time data communication in drilling process. It is shown that a TM surface wave can be launched effectively making use of the drilling mud around the drill pipe. Provision of TM surface wave Launchers that can fit within the borehole at both ends makes it feasible to transmit data over the drill pipe from downhole to the surface and vice versa. The Launcher is composed of an open ended helical conductor which concentrically surrounds the drill pipe with appropriate pitch and length forming a compact surface wave Launcher. Keeping its dimension smaller than $0.005\lambda \times 0.005\lambda \times 0.03\lambda $ , the proposed Launcher provides 2% fractional bandwidth at low HF-band.
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a compact single conductor transmission line Launcher for telemetry in borehole drilling process
International Symposium on Antennas and Propagation, 2016Co-Authors: Mohammad S Amjadi, Kamal SarabandiAbstract:A very compact and conformai Launcher for single conductor transmission lines (SCTL) at HF-band is presented. Also the concept of using drill pipes as the conductor of SCTL is introduced for the first time to satisfy the need for cost-effective and real-time data communication in drilling process. It is shown that a TM surface wave can be launched effectively making use of the drilling mud around the drill pipe. Provision of TM surface wave Launchers that can fit within the borehole at both ends makes it feasible to transmit data over the drill pipe from downhole to the surface and vice-versa. The Launcher is composed of an open ended helical conductor which concentrically surrounds the drill pipe with appropriate pitch and length forming a compact surface wave Launcher. Keeping its dimension smaller than0. 00632 × 0.00632 × 0.062, the proposed Launcher provides 250 kHz bandwidth from9. 5 MHz to 9.75 MHZ.
Richard Y Wang - One of the best experts on this subject based on the ideXlab platform.
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the impact of price regulation on the launch delay of new drugs evidence from twenty five major markets in the 1990s
Health Economics, 2005Co-Authors: Patricia M Danzon, Richard Y Wang, Liang WangAbstract:We analyze the effect of price regulation on delays in launch of new drugs. Because a low price in one market may 'spill-over' to other markets, through parallel trade and external referencing, manufacturers may rationally prefer longer delay or non-launch to accepting a relatively low price. We analyze the launch in 25 major markets, including 14 EU countries, of 85 new chemical entities (NCEs) launched between 1994 and 1998. Each NCE's expected price and market size in a country are estimated using lagged average price and market size of other drugs in the same (or related) therapeutic class. We estimate a Cox proportional hazard model of launch in each country, relative to first global launch. Only 55% of the potential launches occur. The US leads with 73 launches, followed by Germany (66) and the UK (64). Only 13 NCEs are launched in Japan, 26 in Portugal and 28 in New Zealand. The results indicate that countries with lower expected prices or smaller expected market size have fewer launches and longer launch delays, controlling for per capita income and other country and firm characteristics. Controlling for expected price and volume, country effects for the likely parallel export countries are significantly negative.
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the impact of price regulation on the launch delay of new drugs evidence from twenty five major markets in the 1990s
National Bureau of Economic Research, 2003Co-Authors: Patricia M Danzon, Richard Y Wang, Liang WangAbstract:This study analyzes the effect of pharmaceutical price regulation on delays in new drug launches. Because low price in one market may 'spill-over' to others, though parallel trade and external referencing, manufacturers may rationally prefer longer delay or non-launch to accepting a low price. We use a Cox proportional hazard model to analyze the launch experience in 25 major markets of 85 new chemical entities (NCEs) launched in the UK or US between 1994 and 1998. There are 1,167 observed launches, or about 55% of the maximum. The US leads with 73 launches, followed by Germany (66) and the UK (64). Only 13 NCEs launched in Japan, 26 in Portugal and 28 in New Zealand. Countries with fewer launches also have longer average launch lags. The launch hazard is positively related to expected price and to expected volume, controlling for income per capita. The originator firm(s) characteristics, specifically, launch in home country and global experience, also significantly reduce launch delay. Within the EU, likely parallel export countries have the most negative effects. Our results suggest that countries with lower expected prices or smaller expected market size experience longer delays in new drug access, controlling for per capita income and other country and firm characteristics.
Mohammad S Amjadi - One of the best experts on this subject based on the ideXlab platform.
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a compact single conductor transmission line Launcher for telemetry in borehole drilling
IEEE Transactions on Geoscience and Remote Sensing, 2017Co-Authors: Mohammad S Amjadi, Kamal SarabandiAbstract:A very compact and conformal Launcher for single conductor transmission lines (SCTLs) at the HF-band is presented. Also the concept of using drill pipes as the conductor of SCTL is introduced for the first time to satisfy the need for cost-effective and real-time data communication in drilling process. It is shown that a TM surface wave can be launched effectively making use of the drilling mud around the drill pipe. Provision of TM surface wave Launchers that can fit within the borehole at both ends makes it feasible to transmit data over the drill pipe from downhole to the surface and vice versa. The Launcher is composed of an open ended helical conductor which concentrically surrounds the drill pipe with appropriate pitch and length forming a compact surface wave Launcher. Keeping its dimension smaller than $0.005\lambda \times 0.005\lambda \times 0.03\lambda $ , the proposed Launcher provides 2% fractional bandwidth at low HF-band.
-
a compact single conductor transmission line Launcher for telemetry in borehole drilling process
International Symposium on Antennas and Propagation, 2016Co-Authors: Mohammad S Amjadi, Kamal SarabandiAbstract:A very compact and conformai Launcher for single conductor transmission lines (SCTL) at HF-band is presented. Also the concept of using drill pipes as the conductor of SCTL is introduced for the first time to satisfy the need for cost-effective and real-time data communication in drilling process. It is shown that a TM surface wave can be launched effectively making use of the drilling mud around the drill pipe. Provision of TM surface wave Launchers that can fit within the borehole at both ends makes it feasible to transmit data over the drill pipe from downhole to the surface and vice-versa. The Launcher is composed of an open ended helical conductor which concentrically surrounds the drill pipe with appropriate pitch and length forming a compact surface wave Launcher. Keeping its dimension smaller than0. 00632 × 0.00632 × 0.062, the proposed Launcher provides 250 kHz bandwidth from9. 5 MHz to 9.75 MHZ.
