Exchange rates and tariffs are associated with international sourcing.
The other options are concerns for both local sourcing and international sourcing.

Analysing expenditure data by product category or supplier enables procurement managers to:
* Negotiate Better Prices:Identifying high-spend areas or suppliers can provide leverage in negotiations, leading to cost reductions.
* Monitor Cost Trends:Tracking expenditure over time helps in understanding cost fluctuations, budgeting, and forecasting future spend.
Exact Extract from Study Guide:
"Spend analysis is a process that analyses the historical spend data of your organisation to provide answers to questions concerning spend visibility, compliance, and cost-saving opportunities."

Single sourcing can be appropriate when set-up costs are high, making it impractical to involve multiple suppliers. This aligns with responsible sourcing principles, particularly for high-value or specialised items, where relationship management and collaboration with one supplier can enhance quality and efficiency.

Loss of control and loss of private information are significant risks in outsourcing. Responsible sourcing involves mitigating these risks by setting clear agreements, monitoring, and safeguarding sensitive information to maintain control over outsourced activities.

Protectionist measures are designed to shield domestic industries from foreign competition. The most common form is import duties (tariffs), which raise the landed cost of goods entering the country. This creates a barrier to trade by making imports less competitive compared to local products. Arbitration is a dispute resolution method, not a trade barrier. Carnets are documents for temporary duty-free movement of goods, and inward processing relief is an exemption for goods imported for re-export. Responsible sourcing requires buyers to anticipate the cost and risk implications of protectionism when engaging in international supply.
Reference: CIPS L4M4 Study Guide (v2), LO: "Implications" - tariffs, duties, and trade barriers.