scispace - formally typeset
Search or ask a question

Answers from top 10 papers

More filters
Papers (10)Insight
When compared with aluminum, copper is more easily affected by oil price shocks.
Open accessPosted ContentDOI
Jianbo Yang, Xin Li, Qunyi Liu 
31 Mar 2017
5 Citations
The results show that: China's copper demand growth slowed down significantly from 2016-2030.
These empirical results signify the importance of closely monitoring underlying developments in the copper price in order to design appropriate policy response to ensure that impulses to the copper price do not undermine the external competitiveness of the economy.
The results reveal that, financial speculation accentuated copper price moves during the last decade.
Our results indicate that the impact of international copper price shocks on China's PPI is time-varying.
Finally, our analysis suggests that copper is the best performing metal in the period immediately after negative bond price shocks.
The results identify two cycles of copper prices and price forecasts in the short term.
Journal ArticleDOI
Hesam Dehghani, Dejan Bogdanovic 
02 Nov 2017-Resources Policy
64 Citations
Finally, it is concluded that the determined equation with 0.132 of RMSE can predict the copper price better than the classic estimation methods.
This study, therefore, provides new insights into price determination on the LME copper market, and resolves the ambiguity of previous research regarding the efficiency of that market.
The application to the U. S. refined copper market provides estimates of structural supply and demand, rational price forecasts, and the risk of copper storage that is consistent with modern portfolio theory.

See what other people are reading

What proportion of food in Namibia is imported from South Africa?
5 answers
Approximately 70% of Namibia's food requirements are imported due to its arid climate and limited surface water availability. Namibia imports dairy products, including fresh full cream milk, from South Africa, South America, and Europe to meet its high milk demand. The country also imports sheep meat from South Africa, with significant volatility spill-over in the sheep market between the two countries. Despite being a net food-importing developing country, Namibia has implemented policies to control food imports, aiming to increase national food production and enhance food security. This reliance on imports underscores the importance of efficient market integration and price transmission mechanisms between Namibia and South Africa.
Do algorithms affect competition in the market?
5 answers
Algorithms have a significant impact on market competition. They can lead to algorithmic collusion, where operators may use algorithms to monopolize markets by collecting consumer information and manipulating prices. Concerns have been raised about the anti-competitive effects of algorithms, including biased decisions and cartel facilitation. The debate on algorithmic collusion highlights challenges in detecting, investigating, and collecting evidence to address this issue effectively. Studies show that pricing algorithms can influence competition, with different algorithms and market structures impacting pricing strategies and profits. Overall, the use of algorithms in markets necessitates a reevaluation of competition laws and policies to ensure fair competition and prevent anti-competitive practices.
How does the underwriting process during an IPO impact the subsequent stock performance?
5 answers
The underwriting process during an Initial Public Offering (IPO) significantly influences subsequent stock performance. Factors such as total underwriting effort, underwriter reputation, and underwriter ability to control risks play crucial roles. The total underwriting effort, encompassing efforts by underwriters and other involved parties, impacts post-IPO performance, with IPO issuer satisfaction mediating this relationship. Underwriter reputation affects underpricing and long-run returns of small- and medium-sized enterprise IPOs. Additionally, underwriter ability to control risks is linked to reduced earnings volatility, stock return volatility, and penalties post-IPO. Understanding these dynamics is vital for investors, issuers, and policymakers to make informed decisions regarding IPO investments and regulations.
Since when were investors' sentiments taken into account in predicting the financial markets?
5 answers
Investors' sentiments have been considered in predicting financial markets in recent years, with a growing interest in sentiment analysis for stock price forecasting using machine learning techniques. Studies have explored the impact of investor sentiment derived from social media platforms like Stocktwits on predicting stock price movements, highlighting challenges such as inaccuracies in sentiment classification and the lack of user-initiated sentiment data. Furthermore, sentiment extracted from financial news and tweets has been correlated with market volatility and returns, indicating a relationship between sentiment measures and stock market movements. Incorporating sentiment analysis into regression models has shown improvements in predicting the evolution of stock opening prices, emphasizing the influence of investor sentiments on financial market dynamics.
Is negative power in electrical poweruseful ?
4 answers
Negative power in electrical power systems can have various implications. In the context of electricity spot trading, negative prices are a natural occurrence due to limited plant flexibility, making them economically optimal in certain situations. Additionally, negative sequence elements in power systems can be utilized to detect faults by calculating differential values between phase currents, aiding in fault detection and system protection. Furthermore, negative effects on electrical equipment and consumers can arise from deviations in power quality, leading to losses and damage. Monitoring voltage unbalance coefficients in negative sequences can help identify asymmetries and causes of voltage unbalance in power systems. Therefore, while negative power aspects like prices and sequences may seem counterintuitive, they serve important functions in power trading, system protection, and quality management.
Is negative power in electrical power useful ?
4 answers
Negative power in electrical power systems can have both positive and negative implications. Negative prices in electricity markets, as observed in European and non-European markets, can be economically optimal due to limited plant flexibility, impacting spot trading significantly. On the other hand, negative effects on electrical equipment and consumers can arise from deviations in electrical energy quality, leading to losses and damage. In AC circuits, the concept of negative frequency is explored, posing questions about its existence and value, particularly in educational contexts for electrical engineering students. Additionally, negative sequence differential elements can be utilized to detect faults in power systems by analyzing negative sequence values derived from phase-current measurements. Therefore, while negative power can be beneficial in certain market scenarios, it can also lead to challenges and issues in power quality and system reliability.
How about selling commodity futures losers?
5 answers
Selling commodity futures losers can be a profitable strategy, especially when combined with buying stock winners. Researchsuggests that a joint momentum strategy of buying stock winners and selling commodity futures losers can yield an average monthly return of up to 1.91%. However, it is crucial to note that habitual speculators in commodity futures markets tend to be net losers in dollar terms, often cutting profits short while letting losses run. Additionally, the rise of commodity index traders (CITs) did not result in positive risk premiums from holding long agricultural futures positions, contrary to the theory of normal backwardation. Despite the disappointing real-time performance of commodity futures investments, short-selling can enhance profits in commodity markets. Overall, a strategic approach to selling commodity futures losers within a diversified portfolio can be beneficial, but it requires careful risk management and consideration of market dynamics.
Does perishability determine price elasticity of supply?
5 answers
Perishability significantly influences the pricing dynamics and price elasticity of supply for perishable products. The perishable nature of goods like fresh produce and items with limited shelf-life necessitates strategic pricing strategies to manage inventory effectively and maximize profits. Studies highlight that pricing decisions for perishable goods are influenced by factors such as product expiration, inventory management, and consumer behavior. Price-dependent demand functions, optimal inventory control models, and pricing strategies are developed to address the challenges posed by perishability, emphasizing the need for efficient inventory management to minimize losses due to deterioration. The interplay between perishability, pricing, and inventory control underscores the importance of considering perishability in determining the price elasticity of supply for perishable products in various supply chain settings.
Most used piracy sites for books?
5 answers
Sci-Hub is one of the most utilized piracy sites for accessing academic literature, including books. It offers a vast collection of research articles and books, attracting users due to its ease of use and fast downloading speed. The site's popularity is evident from the high number of page visits it receives, surpassing even reputable publishers like ScienceDirect and Emerald Insight. Additionally, Sci-Hub is known globally, with visitors from both developing and developed nations, indicating its widespread usage. The impact of such piracy sites on the academic community, publishers, and authors is significant, as they provide unauthorized access to copyrighted content, affecting the traditional distribution channels and raising concerns about ethical and legal issues in accessing scholarly works.
What is market failure?
5 answers
Market failure refers to situations where the market is unable to efficiently allocate resources, leading to either an excess or a shortage of goods and services compared to societal needs. It is crucial in modern economies as it highlights the limitations of markets operating solely based on their mechanisms. Market failure can stem from various factors such as asymmetric information, externalities, public goods, and market imperfections. Additionally, the probability of market failure can be characterized by the default of globally systemically important banks (G-SIBs) within a short timeframe, with the default probabilities of these banks being correlated through market-wide stress events. Ultimately, addressing and rectifying market failures have led to significant changes in market structures and their societal roles, including the development of markets for collective concerns.
What are the risks for MNCs participating in GVCs?
5 answers
Participation in Global Value Chains (GVCs) poses various risks for Multinational Corporations (MNCs). These risks include challenges in legal accountability for negative production externalities, uncertainties in benefiting from GVC participation, and the need for continuous improvement in sustainability and collaboration efforts to limit supply chain liabilities. While MNCs compete to enhance global market share and customer satisfaction through social, environmental, and economic initiatives within GVCs, they face the complexity of managing risks associated with product quality, asset-specific investments, and product diversity, which can impact export duration. Strategies to minimize GVC risks are debated, with a consensus that firm-led actions are crucial, while government interventions may create economic distortions and hinder international cooperation.