The U.S.administration's decision tounilaterally impose sweeping tariff increas-es on tmported goods represents a signifi-cant challenge to the existing global tradingsystem,which has long been structuredaround mu...The U.S.administration's decision tounilaterally impose sweeping tariff increas-es on tmported goods represents a signifi-cant challenge to the existing global tradingsystem,which has long been structuredaround multilateral(WTO),regional,andbilateral(FTA)trade agreements.展开更多
On February 1,U.S.President Donald Trump signed an executive order imposing a 10 percent tariff on imports from China.The move aligns with his“America First”trade policy,aiming to reduce the U.S.trade deficit,bring ...On February 1,U.S.President Donald Trump signed an executive order imposing a 10 percent tariff on imports from China.The move aligns with his“America First”trade policy,aiming to reduce the U.S.trade deficit,bring manufacturing back to the U.S.,and deliver on promises he made during his presidential campaign.展开更多
The ongoing global tariff war,has left no country unscathed.China,in particular,has been significantly impacted,but it is far from alone in bearing the brunt of these trade tensions.
The United States’tariff policy implemented under the framework of“reciprocal tariffs”has aroused widespread attention in the international community,and has had complex impacts on global trade.This policy not only...The United States’tariff policy implemented under the framework of“reciprocal tariffs”has aroused widespread attention in the international community,and has had complex impacts on global trade.This policy not only has an impact on Chinese enterprises but also brings adjustments to global industrial chains,with varying perspectives from the international community.Based on an analysis of Sino-U.S.economic and trade relations,this paper structures the logic behind it and uses case studies for comparison to analyze the impact of U.S.tariff policies on Chinese companies.It explores how Chinese enterprises can respond to the negative effects of these tariffs.The study finds that in the face of U.S.tariff policies,Chinese enterprises will experience increased direct costs and forced supply chain adjustments.Therefore,the conclusion is drawn that companies need to address the impact of U.S.tariff policies through four aspects:Supply chain restructuring,market diversification,technological innovation,and compliance management.展开更多
The U.S.imposition of high tariffs on Chinese goods has triggered short-term strains on China’s exports.At the same time,it has also accelerated its strategic pivot toward technological self-reliance,regional integra...The U.S.imposition of high tariffs on Chinese goods has triggered short-term strains on China’s exports.At the same time,it has also accelerated its strategic pivot toward technological self-reliance,regional integration,and domestic demand expansion.展开更多
On April 2,the United States announced the implementation of the so-called“reciprocal tariffs”plan.Combined with factors such as the OPEC+plan to increase production starting in May,this led to a continuous plunge i...On April 2,the United States announced the implementation of the so-called“reciprocal tariffs”plan.Combined with factors such as the OPEC+plan to increase production starting in May,this led to a continuous plunge in the benchmark oil prices of WTI and Brent over the subsequent three trading days.Despite the significant impact of the United States’“reciprocal tariffs”plan on the global political and economic landscape,the fundamental dynamics of supply and demand remain the decisive factors in the fluctuations of international oil prices.The current trend of international oil price fluctuations is still primarily driven by the supply side,with both supply and demand factors playing a role.Investment,costs,and resource constraints on the supply side do not allow for a significant increase in crude oil production,while“consumption rigidity”on the demand side does not permit a significant decrease in crude oil demand.As a result,International oil prices are expected to fluctuate in the short term,but a significant decline is unlikely to be sustained in the near to medium term.In this context,Chinese oil companies should focus on four key areas to ensure the security of national oil and gas supplies:first,promoting high-quality increases in domestic oil and gas reserves and production;second,steadily strengthening the acquisition of overseas oil and gas resources;third,continuously driving innovation in oil and gas exploration and development technologies;fourth,enhancing the capacity for domestic oil and gas reserves in an orderly manner.展开更多
On April 2,U.S.President Trump slapped“reciprocal tariffs”on over 100 global trading partners,hitting nine ASEAN member states hard.Alarmingly,even the UN-designated Least Developed Countries(LDCs)were not spared.Th...On April 2,U.S.President Trump slapped“reciprocal tariffs”on over 100 global trading partners,hitting nine ASEAN member states hard.Alarmingly,even the UN-designated Least Developed Countries(LDCs)were not spared.These included Cambodia,where nearly 20 percent of the population lives below the poverty line,facing a 49 percent tariff;Laos,with a poverty rate near 20 percent,facing 48 percent;and Myanmar,which recently suffered a devastating earthquake,facing 44 percent.展开更多
After Donald Trump returned to the White House,the U.S.government launched a host of measures of“tariff wars”.In addition to announcing tariffs on goods imported to the United States from Canada,Mexico and China,the...After Donald Trump returned to the White House,the U.S.government launched a host of measures of“tariff wars”.In addition to announcing tariffs on goods imported to the United States from Canada,Mexico and China,the government also imposed trade restrictions on specific industries including steel,aluminum and copper,as well as advanced plan for“reciprocal tariffs”.Donald Trump claimed that a“tariff war”would correct trade imbalances,boost government revenue and promote the reshoring of manufacturing to the United States.By leveraging tariffs,the U.S.also attempts to achieve goals in border security,illegal immigration and fentanyl control.Undoubtedly at a central position in Trump’s second term in office,the“tariff war”will exert impacts far beyond economic and trade policies and upon the direction of China-U.S.relations.展开更多
The US market for women's synthetic trou-sers is characterised by intense competition,with Asian countries playing a dominant role in exports.This analysis delves into the market performance of leading exporters,a...The US market for women's synthetic trou-sers is characterised by intense competition,with Asian countries playing a dominant role in exports.This analysis delves into the market performance of leading exporters,assessing key indicators such as export values,revealed comparative advantage(RCA).unit value realisation(UVR),and the effect of tariff rates.展开更多
Electric vehicle(EV)is an ideal solution to resolve the carbon emission issue and the fossil fuels scarcity problem in the future.However,a large number of EVs will be concentrated on charging during the valley hours ...Electric vehicle(EV)is an ideal solution to resolve the carbon emission issue and the fossil fuels scarcity problem in the future.However,a large number of EVs will be concentrated on charging during the valley hours leading to new load peaks under the guidance of static time-of-use tariff.Therefore,this paper proposes a dynamic time-of-use tariff mechanism,which redefines the peak and valley time periods according to the predicted loads using the fuzzy C-mean(FCM)clustering algorithm,and then dynamically adjusts the peak and valley tariffs according to the actual load of each time period.Based on the proposed tariff mechanism,an EV charging optimization model with the lowest cost to the users and the lowest variance of the grid-side load as the objective function is established.Then,a weight selection principle with an equal loss rate of the two objectives is proposed to transform the multi-objective optimization problem into a single-objective optimization problem.Finally,the EV charging load optimization model under three tariff strategies is set up and solved with the mathematical solver GROUBI.The results show that the EV charging load optimization strategy based on the dynamic time-of-use tariff can better balance the benefits between charging stations and users under different numbers and proportions of EVs connected to the grid,and can effectively reduce the grid load variance and improve the grid load curve.展开更多
Technical advances and sustainable development tendency accelerate the implementation of electric trucks.However,the penetration of dynamic charging tariff policy poses a huge challenge to the cost-optimal operation o...Technical advances and sustainable development tendency accelerate the implementation of electric trucks.However,the penetration of dynamic charging tariff policy poses a huge challenge to the cost-optimal operation of the electric truck fleet.To this end,a two-stage stochastic electric vehicle routing model is formulated to support cost-efficient routing and charging decisions.Furthermore,an experimental study based on a real-world distribution network is conducted to evaluate impacts of dynamic charging tariffs on logistics planning.The results show that the daily operation cost can reduce by 3.57%to 5.55%as the number of dynamic charging stations increases.The value of stochastic solution confirms the benefits of implementing stochastic programming model,which will ensure a lower operation cost in the long-term through robust route planning.展开更多
This paper introduces a novel fully distributed economic power dispatch(EPD)strategy for distribution networks,integrating dynamic tariffs.A two-layer model is proposed:the first layer comprises the physical power dis...This paper introduces a novel fully distributed economic power dispatch(EPD)strategy for distribution networks,integrating dynamic tariffs.A two-layer model is proposed:the first layer comprises the physical power distribution network,including photovoltaic(PV)sources,wind turbine(WT)generators,energy storage systems(ESS),flexible loads(FLs),and other inflexible loads.The upper layer consists of agents dedicated to communication,calculation,and control tasks.Unlike previous EPD strategies,this approach incorporates dynamic tariffs derived from voltage constraints to ensure compliance with nodal voltage constraints.Addi-tionally,a fast distributed optimization algorithm with an event-triggered communication protocol has been developed to address the EPD problem effectively.Through mathematical and simulation analyses,the proposed algorithm's efficiency and rapid conver-gence capability are demonstrated.展开更多
文摘The U.S.administration's decision tounilaterally impose sweeping tariff increas-es on tmported goods represents a signifi-cant challenge to the existing global tradingsystem,which has long been structuredaround multilateral(WTO),regional,andbilateral(FTA)trade agreements.
文摘On February 1,U.S.President Donald Trump signed an executive order imposing a 10 percent tariff on imports from China.The move aligns with his“America First”trade policy,aiming to reduce the U.S.trade deficit,bring manufacturing back to the U.S.,and deliver on promises he made during his presidential campaign.
文摘The ongoing global tariff war,has left no country unscathed.China,in particular,has been significantly impacted,but it is far from alone in bearing the brunt of these trade tensions.
文摘The United States’tariff policy implemented under the framework of“reciprocal tariffs”has aroused widespread attention in the international community,and has had complex impacts on global trade.This policy not only has an impact on Chinese enterprises but also brings adjustments to global industrial chains,with varying perspectives from the international community.Based on an analysis of Sino-U.S.economic and trade relations,this paper structures the logic behind it and uses case studies for comparison to analyze the impact of U.S.tariff policies on Chinese companies.It explores how Chinese enterprises can respond to the negative effects of these tariffs.The study finds that in the face of U.S.tariff policies,Chinese enterprises will experience increased direct costs and forced supply chain adjustments.Therefore,the conclusion is drawn that companies need to address the impact of U.S.tariff policies through four aspects:Supply chain restructuring,market diversification,technological innovation,and compliance management.
文摘The U.S.imposition of high tariffs on Chinese goods has triggered short-term strains on China’s exports.At the same time,it has also accelerated its strategic pivot toward technological self-reliance,regional integration,and domestic demand expansion.
文摘On April 2,the United States announced the implementation of the so-called“reciprocal tariffs”plan.Combined with factors such as the OPEC+plan to increase production starting in May,this led to a continuous plunge in the benchmark oil prices of WTI and Brent over the subsequent three trading days.Despite the significant impact of the United States’“reciprocal tariffs”plan on the global political and economic landscape,the fundamental dynamics of supply and demand remain the decisive factors in the fluctuations of international oil prices.The current trend of international oil price fluctuations is still primarily driven by the supply side,with both supply and demand factors playing a role.Investment,costs,and resource constraints on the supply side do not allow for a significant increase in crude oil production,while“consumption rigidity”on the demand side does not permit a significant decrease in crude oil demand.As a result,International oil prices are expected to fluctuate in the short term,but a significant decline is unlikely to be sustained in the near to medium term.In this context,Chinese oil companies should focus on four key areas to ensure the security of national oil and gas supplies:first,promoting high-quality increases in domestic oil and gas reserves and production;second,steadily strengthening the acquisition of overseas oil and gas resources;third,continuously driving innovation in oil and gas exploration and development technologies;fourth,enhancing the capacity for domestic oil and gas reserves in an orderly manner.
文摘On April 2,U.S.President Trump slapped“reciprocal tariffs”on over 100 global trading partners,hitting nine ASEAN member states hard.Alarmingly,even the UN-designated Least Developed Countries(LDCs)were not spared.These included Cambodia,where nearly 20 percent of the population lives below the poverty line,facing a 49 percent tariff;Laos,with a poverty rate near 20 percent,facing 48 percent;and Myanmar,which recently suffered a devastating earthquake,facing 44 percent.
文摘After Donald Trump returned to the White House,the U.S.government launched a host of measures of“tariff wars”.In addition to announcing tariffs on goods imported to the United States from Canada,Mexico and China,the government also imposed trade restrictions on specific industries including steel,aluminum and copper,as well as advanced plan for“reciprocal tariffs”.Donald Trump claimed that a“tariff war”would correct trade imbalances,boost government revenue and promote the reshoring of manufacturing to the United States.By leveraging tariffs,the U.S.also attempts to achieve goals in border security,illegal immigration and fentanyl control.Undoubtedly at a central position in Trump’s second term in office,the“tariff war”will exert impacts far beyond economic and trade policies and upon the direction of China-U.S.relations.
文摘The US market for women's synthetic trou-sers is characterised by intense competition,with Asian countries playing a dominant role in exports.This analysis delves into the market performance of leading exporters,assessing key indicators such as export values,revealed comparative advantage(RCA).unit value realisation(UVR),and the effect of tariff rates.
基金Key R&D Program of Tianjin,China(No.20YFYSGX00060).
文摘Electric vehicle(EV)is an ideal solution to resolve the carbon emission issue and the fossil fuels scarcity problem in the future.However,a large number of EVs will be concentrated on charging during the valley hours leading to new load peaks under the guidance of static time-of-use tariff.Therefore,this paper proposes a dynamic time-of-use tariff mechanism,which redefines the peak and valley time periods according to the predicted loads using the fuzzy C-mean(FCM)clustering algorithm,and then dynamically adjusts the peak and valley tariffs according to the actual load of each time period.Based on the proposed tariff mechanism,an EV charging optimization model with the lowest cost to the users and the lowest variance of the grid-side load as the objective function is established.Then,a weight selection principle with an equal loss rate of the two objectives is proposed to transform the multi-objective optimization problem into a single-objective optimization problem.Finally,the EV charging load optimization model under three tariff strategies is set up and solved with the mathematical solver GROUBI.The results show that the EV charging load optimization strategy based on the dynamic time-of-use tariff can better balance the benefits between charging stations and users under different numbers and proportions of EVs connected to the grid,and can effectively reduce the grid load variance and improve the grid load curve.
基金the Key Soft Science Project of Shanghai“Science and Technology Innovation Action Plan”(No.21692195200)the Project of Chinese Academy of Engineering(No.2020-XZ-15)。
文摘Technical advances and sustainable development tendency accelerate the implementation of electric trucks.However,the penetration of dynamic charging tariff policy poses a huge challenge to the cost-optimal operation of the electric truck fleet.To this end,a two-stage stochastic electric vehicle routing model is formulated to support cost-efficient routing and charging decisions.Furthermore,an experimental study based on a real-world distribution network is conducted to evaluate impacts of dynamic charging tariffs on logistics planning.The results show that the daily operation cost can reduce by 3.57%to 5.55%as the number of dynamic charging stations increases.The value of stochastic solution confirms the benefits of implementing stochastic programming model,which will ensure a lower operation cost in the long-term through robust route planning.
文摘This paper introduces a novel fully distributed economic power dispatch(EPD)strategy for distribution networks,integrating dynamic tariffs.A two-layer model is proposed:the first layer comprises the physical power distribution network,including photovoltaic(PV)sources,wind turbine(WT)generators,energy storage systems(ESS),flexible loads(FLs),and other inflexible loads.The upper layer consists of agents dedicated to communication,calculation,and control tasks.Unlike previous EPD strategies,this approach incorporates dynamic tariffs derived from voltage constraints to ensure compliance with nodal voltage constraints.Addi-tionally,a fast distributed optimization algorithm with an event-triggered communication protocol has been developed to address the EPD problem effectively.Through mathematical and simulation analyses,the proposed algorithm's efficiency and rapid conver-gence capability are demonstrated.
